Maths & Me 2nd Class Pupil's Book by Edco Ireland

SecondClass Pupil’s Book

©TheEducationalCompanyofIreland

Mia JayLexiDaraMonty Mia JayLexiDaraMonty

©TheEducationalCompanyofIreland

Firstpublished2024

TheEducationalCompanyofIreland

Ballymount Road

Walkinstown

Dublin12

www.edco.ie

AmemberoftheSmurfit KappaGroupplc

©TheEducationalCompanyofIreland

©ClaireCorroon,2024

Allrights reserved.Nopartofthispublicationmaybe reproduced,storedina retrievalsystem, ortransmittedinany formor by anymeans,electronic,mechanical,photocopying, recordingor otherwise,withouteitherthepriorpermissionofthePublisheroralicencepermitting restricted copyinginIrelandissued by theIrishCopyrightLicensingAgency,63 PatrickStreet,DúnLaoghaire, Co.Dublin.

ISBN978-1-80230-129-8

Designandlayout:DesignImage

Illustrations:AdriennSchönberg,JudyBrown

Editor:DonnaGarvin

Proofreader:EricPradel

Photographacknowledgements: Alamy: p.62©PiyaSarutnuwat. iStock: p.33©Elfstrom.

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Whileeverycarehasbeentakentotraceandacknowledgecopyright,thepublisherstendertheir apologies foranyaccidentalinfringementwherecopyrighthasproveduntraceable.They wouldbe pleasedtocometoasuitablearrangementwiththerightful ownerineachcase.

Introduction

The MathsandMePupil’sBook consolidateslearning by bringingthePrimaryMathsCurriculum(2023) tolifethroughengaging,playfulandinteractiveactivities.Itlinksmathstodailylifethrough real-life pictures,problemsandtasks,sochildrenwillappreciatethe relevanceandsignificanceofmathsintheir everydayexperiences.

The relatable MathsandMe characters,Lexi,Dara,Mia,JayandMontytheDoghelpchildrento understandthat we areallmathematicians,andmodelapositivedispositiontomaths.

Pupil’sBookFeatures

Colourcoding – Pagesarecolour-codedso youcanseewhatthemainstrandisataglance:

–Number

–Measures

©TheEducationalCompanyofIreland

Let’splay!

Red

–Shapeandspace

Let’stalk!

Let’sinvestigate!

Mathseyes

Trythis!

PCM 1

–Dataandchance

–Algebra

Let’splay! –Incorporatesplayfulnessintomathsthroughengaginggamesand interactiveactivities,makingmathsafunandenjoyableadventure forchildren.

Let’stalk! –Providesopportunities forchildrentosharetheirstrategies andideas,helpingthemto reflectontheircurrentknowledgeandidentify emergingconcepts.

Let’sinvestigate! –Encourageschildrentodevelopcreativestrategies throughactiveparticipationandexploration.

Mathseyes –Encourageschildrentolookaroundthemand recognisemaths inthe real world.

Trythis! –Providesoptional,cognitivelychallengingtasksthatofferan enrichinglearningopportunity forchildren.

Self-assessment –Giveschildrenanopportunityto reflectontheir workand colourinuptothreestarsattheendofeachpage,dependingonhowthey felttheyperformedonacertaintask.

Additionalresourceicons –Indicatesifaphotocopiableisneededto completeanactivity.

Digitalresources –Allowseasyaccess forteachersusingtheebooktothe extensivemenuofinteractive resourcesprovided foreachunit.

Clearsignposting –Allowseasynavigationacrosstheprogrammethrough directcorrelationoftheLessonTitleandthe footerinformationtothe Teacher’s PlanningBookandthedigital resources.

Unit1 Digital Resources

Orange Blue

Purple Green

Contents Unit1:Numbersto 100 Counting 6 CountingGroups 7 RepresentingNumbers 8 TensandOnes 9 ComparingandOrderingNumbers 10 EstimatingNumbers 11 NumberHunts 12 Unit2:AdditionandSubtraction1 Fact Families 13 TurnaroundandInverse 14 Doubles,NearDoublesandIn-betweenDoubles15 Friendly Facts 16 CheckingCalculations 17 AddingThreeOne-digitNumbers 18 Related Facts 19 Unit3:Fractions Wholeand Parts 20 HalvesandQuarters 21 Same Value,DifferentAppearance 22 ComparingandOrdering 23 HalvesandQuartersofSets 24 CountinginHalvesandQuarters 25 Unit4:Data1 OddsandEvens 26 Pictograms 27 Multiple Values 28 DataInvestigation 29 Review1:FoodFun 30 Unit5:Time1 UnitsofTime 32 MeasuringTime 33 Calendars 34 O’ClockandHalf Past 35 Quarter Past 36 Quarter To 37 Unit6:Shapes Propertiesof2-DShapes 38 2-DShapes:Sidesand Vertices (Corners) 39 Classifying2-DShapes 40 ShapesinShapes 41 Classifying3-DShapes 42 3-DShapes: Faces,Edgesand Vertices 43 ConstructingandDeconstructing3-DShapes44 Unit7:Numbersto200 Counting 45 CountingGroups 46 RepresentingNumbers 47 Hundreds, TensandOnes 48 ComparingandOrderingNumbers 49 EstimatingNumbers 50 NumberHunts 51 Review2:The ToyShop 52 Unit8:AdditionandSubtraction2 AddingandSubtractingOnes 54 AddingandSubtracting Tens 55 AddingandSubtracting Two Two-digitNumbers56 Adding−Making Tens 57 Addingwith RenamingOnesas Tens 58 Addingwith Renaming TensasHundreds 59 AddingThreeNumbers 60 Unit9:Locationand Transformation DifferentViews 61 Turns 62 Directions 63 RightAngles 64 Reflections 65 WhatMove? 66 Tessellations 67 ©TheEducationalCompanyofIreland

Unit 10:Measuring1 MeasuringLength 68 Metres 69 Centimetres 70 Unit11: Patterns Repeating Patterns 71 GrowingorShrinking Patterns 72 PatternsinOddorEvenNumbers 73 Review3:TheZoo 74 Unit12:AdditionandSubtraction3 SubtractingThrough Tens 76 Subtractingwith Renaming 77 Bondsof 100 78 AddingandSubtractingOnes 79 AddingandSubtracting Tens 80 FindingDifference 81 Unit13:Measuring2 Measuring Weight 82 Kilograms 83 MeasuringCapacity 84 Litres 85 ComparingandOrderingMeasures 86 OperationswithMeasures 87 Unit 14:Time2 a.m.andp.m. 88 Duration 89 Timetables 90 Review4:NationalSpringClean 92 Unit15:Money MoneyAroundthe World 94 Euro 95 €andc 96 ExactMoneyOnly 97 ComparingandOrdering 98 Finding Totals 99 FindingChange 100 Unit 16:Data2 BlockGraphs 101 Multiple Values 102 DataInvestigation 103 Unit 17:Measuring3 MeasuringArea 104 CountingandComparingSquareUnits 105 SquareMetres 106 Unit18:NumberSentences EqualorNotEqual 107 ComparingAmounts 108 PicturePuzzleNumberSentences 109 NumberlessStories 110 Unit 19:AdditionandSubtraction4 AddingandSubtractingwithin200 111 Addingwith Renaming 112 Subtractingwith Renaming 113 Review5:SummerTime 114 Let’s TryMore STEMChallengesandInvestigations116 Let’sPlay 118 End-of-yearChallenge 120 MyMathsFactFile 121 ©TheEducationalCompanyofIreland

6 Unit1 Digital Resources Unit1: Numbersto 100. Day 1, Lesson 1 Counting Counthowmanyitems. Writetheanswerineachbox. Complete. 64 656667 828384 85 Let’splay! Pick-up ● Playinpairs.Withonehand,player1shouldpick upas manyresourcesastheycan.Player2shoulddothesame. ● Thewinneristheplayerwhopicksupthemost. ● Challenge:Usetwohands! 7374 7576 96979899 Trythis! Thelift isgoing fromFloor58to Floor34. 3 the floorsitwillpass. 29 69 49 35 62

1. 2.

. Howdidyoucount them?Whatstrategy didyouuse? ©TheEducationalCompanyofIreland

3. 4

Let’sinvestigate!

Howmany?

Choosearesourcetocount.

Drawoneof what youarecounting.

Makeanestimate thatistoobig.

Makeanestimate thatistoosmall.

Trythis!

7 Unit1: Numbersto 100. Days 2and3, Lesson 2

CountingGroups

Inacontainer,putanamountthatyouthink isbetween50and90. Donotcount!

estimate. Nowcount. Totalamount= Complete. 2224 2628 40 455055 5254 5658 859095100

keareasonable

Loo

Howmanymore?

k atthetotalamountsabove. How manymoretomake100?

. ? ©TheEducationalCompanyofIreland

1. 2. 3. 4

Completethetable.

Eachrowusesthesamewayto showdifferentnumbers.

8 Unit1: Numbersto 100. Day 4, Lesson 3

RepresentingNumbers

80= +

+90 63=

Let’stalk!

k?Explainwhy.

Trythis! Showwhereeachof thesenumbers sitsonthenumberline: 503090156579 0100 300 300 300 300 300670 76 3002650 76 3001660 76 Ithinkthat76can beshowninmany differentways. 3001660 76

seventy- eightyninety- ty-three =70+

Whatdoyouthin

Drawbranchingbondsonyourmini-whiteboardto show89indifferentways.

50 ©TheEducationalCompanyofIreland

Canyoushowyour housenumberin differentways? 72 702 1. 2. 3. 4.

Completethetable.Eachrowusesthesameway.

1. sixty-four 2. forty-one 3. eighteen 4. seventy

Matchtheplacevaluearrowcards.

Matchthepicturesandwords.

Howmany?

9 Unit1: Numbersto 100. Day 5, Lesson 4

TensandOnes

1. Fourtensandthreeones 2. Twotensand fiveones 3. Threetensand fourones

TensOnes TensOnes TO TensOnes TensOnes TO 4 1 TensOnes TensOnes TO TensOnes TensOnes TO 1 4 7 5 10 10 10 10 1 0 0 0 0 7 5 1 4 5 7 4 1 5 1 4 7 1111 1 5 7 4 ©TheEducationalCompanyofIreland

4. Threeonesand fivetens

ComparingandOrderingNumbers

Ringthegreaterineachsetif possible.Put<,>or=inthecircle.

1. < 2.

3. 4.

5. 6.

Ringthegreaterineachsetif possible.Put<,>or=inthecircle. 1.

Doyouneed toadd?

5. 60+14 64 6. 43+12 55

Fillinanumbertomakethesetrue.

1. 6isgreaterthan . 2. 9islessthan .

3. isgreaterthan59. 4. islessthan80.

Trythis!

1. Usetwodigitseachtimetomake:

(a) thegreatestnumber

(b) thesmallestnumber

2. Orderyournumbers. smallest greatest

3. Pickfourotherdigitsandwritethemonyourmini-whiteboard. Repeattheactivityabovewiththenewdigits.

10 Unit1: Numbersto 100. Days 6and 7, Lesson 5

16 61

3. 4 +3 34 4. 78 60+18

1 7 2 8

©TheEducationalCompanyofIreland

EstimatingNumbers

Writethetenthatisbeforeand afterthesenumbers.Ringtheten towhichthenumberrounds (usuallythenearestten).

Howdoweusually roundanumberinthe middleoftwotens?

Trythis! WhatnumbermightIbe?

1. Ihave6tens.Iroundto70.

Ithinkthere ismorethan onecorrect answerto someofthese.

11 Unit1: Numbersto 100. Day 8, Lesson 6

1. 2.

5. 6.

7. 8. 2. Iamgreaterthan82.Iroundto80. 3. Mytensdigitandonesdigitarethesame.Iroundto60. 4 . Iamanoddnumber.Iroundto90. 5. Iroundto50.Myonesdigitisdoublemytensdigit.

60 68 70 95 54 75 60 70 21 99 46 86

6. Makeupasimilarclue forapartnertosolve.

©TheEducationalCompanyofIreland

NumberHunts

Mathseyes Schoolnumberhunt

1. Walk aroundtheschool.Findtwo-digitnumbers. Writethemandshowthemasasketch.

(a) (b) (c)

0100 ©TheEducationalCompanyofIreland

(d) (e) (f)

2. Showwhereeachnumbersitsonthenumberline.

3. Roundeachof thenumberstothenearestten.

(a) ➜ (b) ➜ (c) ➜

(d) ➜ (e) ➜ (f) ➜

Lookforacar!

1. Writethereg.platenumber:

2. Usetwoof thedigitseachtimetomake…

(a) thegreatestnumber

(b) thesmallestnumber

3. Orderthe fournumbersabove. smallest greatest

12 Unit1: Numbersto 100. Day 9, Lesson 7

Let’stalk!

Look atDara. Whatdoyouthink?

Explainwhy.

Trythis!

Ithinkmorenumber sentencescanbewritten inthefactfamilyin question3.

Ithinkyoucanwrite 17=6+11, and6=17–11

13 Unit2 Digital Resources Fact Families Completethebondandwritethematching fact family foreach. 1. 2. Writethematching fact family. 1. 2. 3. + = + = 14 = − = + = + = = − = + = + = = − =

30035 300 9 17 611

1. Foreachbarmodel,writetwonumbersentencesthataretrue. 2. Usingthesamenumbers,writetwonumbersentencesthatare false.

12 3 9 18 10 8 3 + 5 = 5 + 3 = 8 − 5 = 8 3 = 9 + = + 9 = − = 9 − 9 =

3. Challengeyourpartnertowork outwhichonesaretrueor false!

Unit2: AdditionandSubtraction1. Day 1, Lesson 1 ©TheEducationalCompanyofIreland

TurnaroundandInverse

1. Writetwoadditionturnaround facts foreachof these.

(a) (b) (c)

2. Now,writetheopposite(inverse)subtractionsentences. (a) (b) (c)

Let’sinvestigate!

Inpairs,usea and .Trytomodelthesenumbersentences towork outif theyarecorrectornot. 3 or ✗ eachbox.

1. 8+ 4 = 4 +8

3. 9+2=2+9

10.

Trythis! Inthisbarmodel,thewholenumberis greaterthan11,butlessthan17.

Whole=?

4 Part=?

1. Whatmightthewholenumberbe?Listthepossiblenumbers.

2. Whatmightthemissingpartbe?Listthepossiblenumbers.

3. Look atthe sizeof thebars.Whatarethemostlikelymissingnumbers?

©TheEducationalCompanyofIreland

6 + = + 6 = + = + = + = + =

− 6 = = 6 − = = − = =

5. 1+3=10+3 7. 11−2=2−11 9. 6−3=3+6 2. 6+12=12−6 4. 10−5=5−10 6. 12+2=2+12 8. 7−0=0−7

300 13 67 300 12 4 8 300 19 910

7− 4 = 4 +7

Unit2: AdditionandSubtraction1. Day 2, Lesson 2

Doubles,NearDoublesandIn-betweenDoubles

1. Drawaringaroundthedoubles.Solvethem.

(a) (b) (c) (d) (e) (f)

2. Draw a rectanglearoundtheneardoubles.Solvethem.

3. Underlinethein-betweendoubles.Solvethem.

Let’stalk!

Whatdoyounoticeaboutalltheanswersto

(a) thedoubles, (b) theneardoublesand (c) in-betweendoublesin ?

Solvetheseusingtheopposite(inverse)of thedoubles.

Trythis!

9+9= 11+9= 8+8= =9+7

4 + 4 =8+7 8+6= 1+1= 7+6= =11+10 =6+6 =5+3 2+2= 6+5= 5+5= =8+9 =5+7

4 +5

1. 12−6= 4. 14 −7= 7. 18−9= 2. 6−3= 5. 16−8= 8. 8− 4 = 3. 20−10= 6. 10−5= 9. 22−11=

Usedoublestoma

(a) 6 + 6 =12 (d) + =14 (b) + =20 (e) + =18 (c) + =16 (f) + =24

kethesetrue.

Usein-betweendoublestomakethesetrue. (a) 5 + 7 =12 (d) + =14 (b) + =20 (e) + =18 (c) + =16 (f) + =24

77 1 In-betweendoubles Unit2: AdditionandSubtraction1. Days 3and4, Lesson 3 ©TheEducationalCompanyofIreland

6+8

Friendly Facts

Shadetheeasiest factgroupsgreen.Montyhasstartedthis foryou.Shadethenexteasiest factgroupsyellow.

Ithink+ 0 isoneofthe easiest,so I haveshaded itgreen!

Use and .

Move fromoneparttotheothertochangetheseinto friendly facts. Solvethem.

+0123 4 56789 10 0 0123 4 56789 10 1 123 4 56789 1011 2 23 4 56789 101112 3 3 4 56789 10111213 4 4 56789 1011121314 5 56789 1011121314 15 6 6789 1011121314 1516 7 789 1011121314 151617 8 89 1011121314 15161718 9 91011121314 1516171819 10 1011121314 151617181920

5+9= 14 4 +7= 7+5= 8+9= 4 +8= 7+8= 9+ 4 = 8+6=

4 1 10 1. 5. 2. 6. 3. 7. 4. 8. Unit2: AdditionandSubtraction1. Day 5, Lesson 4 ©TheEducationalCompanyofIreland

CheckingCalculations

3 if itlooksreasonable. ✗ if itlookstoobigortoosmall.

4. 7+8=15

Whichonesbelowequalthisbarmodel?

3 or ✗ eachbox.

3. Thereare6redapples and7greenapples.

Howmanymoregreenapples?

5. 6.

Colourthecorrectonesgreenandtheincorrectonesred.

D Let’stalk!

Look atMonty.Doyouagree?

Explainwhy.

Youshouldalwayscheck yourcalculationsusing a differentway,andperhapsin morethanonedifferentway.

8+9=1 ✗

7. 8+ 4 =12 10. 7−5=2

2. 10+9=19

5. 7+5=2 8. 4 +5=19 11. 8−3=11

3. 2+3=15 6. 6+5=11 9. 9−1=10 12. 6−6=0 1. 13=6+7 2. 13=7−6 1. 9= 4 +5 4. 15−9=6 7. 14 =8−6 10. 17=8+9 2. 17=9+8

11. 8=14 −6

5. 5= 4 +9 8. 9=15−6

3. 14 −6=8 6. 8+9=17 9. 4 +5=9 12. 15−6=9

13 6 7 300 13 76

6789 1011121314

Unit2: AdditionandSubtraction1. Day 7, Lesson 6 ©TheEducationalCompanyofIreland

AddingThreeOne-digitNumbers

Draweachof theseasjumpsonthenumberline. Whatdoyounotice?Whyisthis? 1.

Ringthenumbersyouwilladd first.Thensolve.

10.

Let’stalk!

Howcanyoucheck thatyouranswersin arecorrect? Comparewithyourpartner.Didyoudothemthesameway?Explainwhy.

D Let’sinvestigate!

IsMiacorrect?Inpairs,investigatebytryingtomodeleachof thenumber sentenceswithmaterialsorsketches.

Ineachgroup,theanswers willallbethesame.

3+ 4 +7 2. 4 +7+3

3+7+ 4 4. 7+3+ 4

5+6+5=

. 6+ 4 +6=

=9+7+3

8+6+ 4 = 2. 1+1+8= 5. = 4 + 4 +8 8. 8+2+8= 11. 8+9+2=

=5+3+8

10+0+10=

3+ 4 +7= 12. =8+7+2

654 32107 89 1011121314 15 654 32107 89 1011121314 15 654 32107 89 1011121314 15 65 +4+7 4 32107 89 1011121314 15

9+3+11+3+9 3+9+19+1+3 8−2− 44 −8−2 2− 4 −88− 4 −2 Unit2: AdditionandSubtraction1. Day 8, Lesson 7 ©TheEducationalCompanyofIreland

Useconcretematerialstohelpyousolvethese.

Let’stal

Howcanyoucheck thatyoucalculatedyour answersin correctly?

Related Facts

3. 5+2= so 50 + = 7+1= so + = 6+3= so + = 4.5.6. 9−3= so 90 = 7− 4 = so – = 8−6= so – = Solvethese. 1. 8+1= so80+10= 2. 4 +3= so 40+30= 3. =3+6so =30+60 4. = 4 + 4 so = 40+ 40 5. 7− 4 = so70− 40= 6. 9−7= so90−70=

1. 2.

Solvethese. 100+ =100 60+ =100 20+ =100 70+ =100 10+ =100 100+=100 60 20 70 10 Unit2: AdditionandSubtraction1. Day 9, Lesson 8 + + +

©TheEducationalCompanyofIreland

Wholeand Parts

Spliteachsandwichinto2equalparts.Showdifferentways.

Let’stalk!

Whatisthewholeamountineachpicture?Whataretheparts?

Write‘whole’or‘parts’.

andtheslicesarethe

Theclock isthe andthehandsarethe .

Thecountiesarethe andIrelandisthe .

Trythis!

1. Howmightthewholesandwichbesplitinto 4 equalparts? Showdifferentwaysinyourcopy.

2. Split12countersintoequalparts. Howmanydifferentwayscanitbedone?

20 Unit3 Digital Resources

1. 2.

3. 4.

1. Thepizzaisthe 2. 3. 1. 4

6. 2. 5. 3.

Unit3: Fractions. Day 1, Lesson 1

7. 6Scones

©TheEducationalCompanyofIreland

HalvesandQuarters

What fractiondoeseachof theseshow?

1. 2. 3. 4.

Colourin 1 2 of eachshape.Useadifferentwayeachtime.

Colourin 1 4 of eachshape.

1. 2. 3.

Trythis!

1. Thistangrampieceishalf theareaof another tangrampiece,butwhichone?

2. Findapatternblock thatishalf theareaof anotherpatternblock.

3. Tracearoundasquareinyourcopy.If thissquareis 1 4 of alargershape, drawthewholeshape.

Unit3: Fractions. Days 2and3, Lesson 2 ©TheEducationalCompanyofIreland

Same Value,DifferentAppearance

Colourandwrite.

1. Colour1whole.

2. Colour1half. 1whole= halves= 2 1half = quarters= 4

Colourthe fraction.Writethenumberof quarters.

1. Colourthenumberof quarters

2. Colourthenumberof quarters equalto 1 2 . equalto 2 2 . quarters= 4 quarters= 4

3. Colourthenumberof quarters

4. Colouranumberof quarters lessthan 1 2 morethan 1 2 quarter= 4 quarters= 4

Completethese.

D Let’stalk!

Look atMiaandJay.Whatdoyouthink?

Explainwhy.

Thisisnot a fairshare!

Yesitis. We both have2quarters.

1. 2 4 = 2. 4 4 = 3. 2 2 = 4. 1 2 =

Unit3: Fractions. Day 4, Lesson 3

©TheEducationalCompanyofIreland

ComparingandOrdering

Let’stalk!

MiaandJayeachboughtthesamegranolabar.When theygothome,Miahadeaten 1 2 andJayhadeaten 1 4 Whohadeatenmore?Explainwhy.

Colourthegivenamount.Ringthegreater fractionif possible.

Putthe fractionsinthecorrectplaceonthenumberline.

D Let’stalk!

Onthenumberlineabove,istheremorethanone fractionwritteninthe sameplace?Explainwhy.

Look atthemilk cartonsbelow.AreDara andLexibothcorrect?Explainwhy.

1. 1 2 2. 1 2 1 4 2 4 3. 1 4 4. 3 4 3 4 2 2 5. 2 4 6. 2 2 3 4 4 4

1 2 , 2 2 , 1 4 , 2 4 , 3 4 , 4 4

Unit3: Fractions. Day 5, Lesson 4 01 1 4 l, 1 2 l, 3 4 l,1l 1 4 l, 2 4 l, 3 4 l, 4 4 l ©TheEducationalCompanyofIreland

HalvesandQuartersof Sets

Sharethestrawberries!

1. If DaraandJayshare12strawberries, howmanywilltheyeachget?

2. If wedivide12strawberriesamong 4 people, howmanywilleachpersonget? 3.

Usingupto20 or ,givethreeexamples of amountsthat…

1. canbehalved: , and

2. cannotbehalved: , and

3. canbequartered: , and

4. cannotbequartered: , and

Use or tohelpyousolvethese.

Whatdoyounotice abouttheanswers ineachgroup?

Trythis! Onlyhalf of the crackersareleftonthisplate. Howmanywerethereinthebeginning?

Buildit!Sketchit!Writeit!

Howdidyou findtheanswer?

1 2 of 12is . 4. 1 4 of 12is .

1. 1 2 of 10is 2. 1 2 of 14 is 3. 1 4 of 8is 4. 1 4 of 20is 5. 2 4 of 20= 6. 2 4 of 24 =

1. Colour 1 2 yellow. 2. Colour 1 2 yellow. 1 2 of 16 is 1 2 of is 3. Colour 1 4 red. 4. Colour 1 4 red. 1 4 of is 1 4 of is

D Colourandwrite.

Unit3: Fractions. Days 6and 7, Lesson 5 ©TheEducationalCompanyofIreland

CountinginHalvesandQuarters

Writetrueor false foreachstatement.

1. Eachsliceis1half

2. Thereare3slicesintotal.

3. Thereare10quarters.

4. Thereare2wholepizzasand1half pizza.

5. Tomake3wholepizzas,only1morequarterisneeded.

Completethesebonds.Sketchimagestomatchonyour mini-whiteboard.

Countinhalvesabovethenumberlineandinquartersbelowthe numberline.

Trythis!

1. Inactivity ,if therewere 4 wholepizzasat thebeginning,howmanypizzaswereeaten?

2. Daraeats 1 4 pizzaeveryday.After9days, howmanypizzas(wholesandparts)has heeaten? wholepizzasand

2. 3. 4

300 2 1 2 2 1 2 03 2 1 300 300 300 300 5 5 1 2 3 1 4 3 4 4 3 4 2 4 6 1 2 1 4 Unit3: Fractions. Days 8and9, Lesson 6 1 1 ©TheEducationalCompanyofIreland

Jay:oddsMia:evens Unit4 Digital Resources

Oddsand Evens

Let’splay! OddsandEvens

● Playinpairs.Youwillneeda or a .

● Turntopage118 fortherulesof thegame.

● Chooseawaytorecordthescoresduringthegame.

Doyouthinkit’s bettertobeoddsor evens?Explainwhy.

Let’splay!

OddsandEvensTotals

● Playinpairs.Youwillneed ,oryoucanspinthe twice.

● Turntopage118 fortherulesof thegame.

● Chooseawaytorecordthescoresduringthegame.

Trythis! TheseareJayandMia’sscores fromOdds andEvensTotals:

1. Estimatethetotalnumberof goestheyeachhad.

Unit4: Data1. Day 1, Lesson 1

2. Whatistheleastpossiblenumberthetotalcanbe? 26

©TheEducationalCompanyofIreland

Pictograms

Agroupof childrenwereaskedtheir favourite fruit.Theiranswerswere:

Completethistallychart.Mark off each fruitaboveasyoutally.

Fruit: grapesapplebananastrawberryorange

Tally:

Total:

Completethispictogram.

Title:

Favourite fruit

grapesapplebananastrawberryorange

Trythis! Fillintheblanks.

Twice asmanychose aschose

Half asmanychose aschose .

4. fewerchose thanchose .

8 7 6 5 4 3 2

1. 2. 3. morechose thanchose

Unit4: Data1. Day 2, Lesson 2 ©TheEducationalCompanyofIreland

Multiple Values

Completethistallychart.

Our favouritehealthysnacksTally Total apple ricecake yoghurt popcorn

Usethetallycharttocompletethispictogram. Answerthequestions.

Leteachsymbolstand for2children.

Title: apple ricecake yoghurt popcorn 2

Key: symbol=2children

1. Whatwasthemostpopularsnack?

2. Whatwastheleastpopularsnack?

3. Howmanychildrenintotalchosericecakesorpopcorn?

4. Howmany fewerchildrenpreferredapplestopopcorn?

Trythis! Usethepictogramtocompletethesesentences.

1. 10chose .

2. 9chose and .

3. 4 morechose than .

©TheEducationalCompanyofIreland

Whomightbe interestedinthis information?

4. 30isthenumberof children .

Unit4: Data1. Day 3, Lesson 3

DataInvestigation

Let’sinvestigate!

Whatdrinksshouldtheprincipalbuy fortheschool’sHalloweenparty?

1. Ithink thatthemostpopulardrink willbe _________________ .

2. Ithink thattheleastpopulardrink willbe .

Drink:

Tally:

Total:

©TheEducationalCompanyofIreland

Title:

Key: symbol= ____ children

Mostpopular= Leastpopular=

Let’stalk!

Tellyourpartnerwhatyoulearnedandwhatyouthink theprincipal shoulddo.

Unit4: Data1. Day 4, Lesson 4

Food Fun

Mathseyes

Completethebondandwritethematching fact family.

Showhowyoucouldmovesomeeggseachtimetochangetheseinto friendly f

30 Review1

Buildit!Sketchit!Writeit! 123

act family.

Createyourownbondandwritethematching f

acts. 1. 9+6= 2. 3+9= 3. 8+5= + = + = – = – = + = + = – = – = 30056 300 300 7 + = + = – = – = 5 1 10 ©TheEducationalCompanyofIreland

Trythis! Thenumberof eggscollected onSaturday,whenroundedto thenearestten,was60.

1. Whatistheleastpossiblenumber?

2. Whatisthegreatestpossiblenumber?

Let’splay! Pizzaparty

● Youwillneedapencilandapaperclip.

©TheEducationalCompanyofIreland

● Playinpairs.Theplayerwhosebirthdayisnextcango first.

● Eachplayerhasthreepizzas.

● Eachplayershouldtakeaturntospinthespinnerand‘eat’that fractionof oneof theirpizzas.Youcancrossitout orcoveritup.

● Thewinneristheplayerwho‘eats’allof their threepizzas first.

Let’sinvestigate! Foodsurvey

Chooseaquestiontoinvestigate,usingthedatainvestigationcycle. Examples:Whatisyour favourite fruit/icecream/breakfast/ lunch/dinner?Shareyour findingswiththeclass.

31 Review1 D Completethistableshowingthenumberof eggscollectedeachday. Boxesof 10OnesAmount Roundedtothe nearestten Monday 81 81 Tuesday 58 Wednesday 64 Thursday 75 Friday 68

1 4 4 4 1 2 3 4 UsePCM1! 1 1 2 3 PCM 1

Writethecorrectnumbers.

minutesinanhour secondsinaminute

seasonsinayear hoursinaday

monthsinaseason monthsinayear

daysinaweek

Match.Howlongdoesittake…

fullweeksinamonth

1. towalkfromtheclassroomtotheyard?

2. foraseedtogrow?

3. tobrushyourteeth?

4. togo fromyourschooltoyourhome?

5. forababytogrowinsideitsmother?

6. towashyourhandscorrectly?

7. towriteyour fullname?

months minutes seconds

weeks

Let’stalk!

Look at .

Couldanyquestionshavemorethanoneanswer?

Explainwhy.

Readandanswerthequestionsagain,startingwith ‘Howlongdoesittake…’.

Ithinkwecould investigatethe questionsinB.

If youdon’t knowhowlongittakes,howcouldyou findout?

32 Unit5: Time1. Day 1, Lesson 1 Unit5 Digital Resources Unitsof Time

Numberthese from1 fortheshortestto8

2years 2weeks 12hours 45minutes

7days 50seconds

Trythis!

forthelongest.

9months

4 seasons

©TheEducationalCompanyofIreland

MeasuringTime

Let’sinvestigate!

1. Estimateandthenmeasurehowlongittakesto…(chooseandringone) thread12 beads throwa 6turnovera deck of 52cards stick40cubes together

2. Colouryourchoices.

Whichonecouldbeusedtomeasuredays/seconds/minutes/months/ hours/weeks? ©TheEducationalCompanyofIreland

Iwillmeasurehowlongittakesin: minutesdayssecondshours

Iwillmeasureusinga: timerstopwatchclock

3. Completethetable. 1stgo 2ndgo 3rdgo

Estimatedtime:

Actualtime:

Comparedtothe estimate,theactual timewas…(3)

Let’stalk!

faster slower

Look atthepictures.Wherehaveyouseeneachof these?

Whatiseachonecalled?

Aretheybetter formeasuringshorterorlongeramountsof time?

33 Unit5: Time1. Day 2, Lesson 2

Calendars

Look atthelabels.Whatdotheymean?Whyaretheyshortened?

©TheEducationalCompanyofIreland

Usethecalendarabovetoanswerthese.

1. Colourthedatesthatareweekends orange.

2. If thelastdayof amonthis31,ringitin red If itis30,ringitin blue

3. Mia’sbirthdayisthelastdayof February. Whatdayanddateisthat?

. Nameamonthwith5Saturdays.

5. Nameamonthwith 4 complete(full)weeks.

6. Mark 3datesthatareimportanttoyou.

7. Usethiscolourcodetocolourthenamesof themonths:

wintermonthsspringmonthssummermonthsautumnmonths

Trythis! If aWednesday fallsonthe5thof amonth,whatdaywould thesedatesbe?

(a) The10th:

(b) The1st:

34 Unit5: Time1. Days 3and4, Lesson 3

Let’stalk!

Jan FebMar Apr MT WT FS SM TWT FS SM TWT FS SM TWT FSS 123 4 56 12 31 23123 4 567 78 910111213 4 56789 10 4 56789 10 89 1011121314 14 15161718192011121314 15161711121314 15161715161718192021 21222324 25262718192021222324 18192021222324 222324 25262728 28293031 25262728 252627282930312930 MayJun Jul Aug MT WT FS SM TWT FS SM TWT FS SM TWT FSS 123 4 51 21 23 4 56 71 23 4 67 89 1011123 4 5678 98 91011121314 56 789 1011 1314 15161718191011121314 151615161718192021121314 15161718 2021222324 252617181920212223222324 25262728192021222324 25 272829303124 252627282930293031 262728293031 Sep Oct NovDec MT WT FS SM TWT FS SM TWT FS SM TWT FSS 11 23 4 56 12 31 23 4 567 87 89 10111213 4 56789 10 23 4 5678 91011121314 1514 15161718192011121314 151617 91011121314 15 1617181920212221222324 25262718192021222324 16171819202122 2324 252627282928293031 2526272829302324 2526272829 30 3031

Writethecorrecttimeoneachdigitalclock.

Drawhandsoneachclock toshowthecorrecttime.

Thisis half2.

Thisis eightthirty.

35 Unit5: Time1. Day 5, Lesson 4

2. 3. 4. 5.

O’Clock andHalf Past Brokenclocks! Drawthemissingminutehandoneachclock. Writethetimeinwords. 1.

2. 3. 4

2. 3. 4. 5.

Let’stal

f past 4 1o’clock

:308:00

AreDaraandMiacorrect? Explainwhy. hal

sixthirty

4o’clockhalfpast

©TheEducationalCompanyofIreland

Quarter Past

Trythis! Foreachof theclocksin ,say(orwriteorshow)thetime thatwouldbe:

anhourlater

Let’stalk!

Lexi’s firstraceisat10:15.Atwhattime,doyouthink, shouldLexileaveherhouseif shelivesaboutahalf an houraway fromthetrack?

Atwhattimeshouldshewakeup?

36 Unit5: Time1. Days 6and 7, Lesson 5

Writethecorrecttimeoneachdigitalclock. 1. 2. 3. 4. 5. Drawhandsoneachclock toshowthecorrecttime. 1. 2. 3. 4. 5.

4 past7 11:156:30 ten fifteen

quarterpast

past9 past 1 4

1 4

1. anhourearlier

©TheEducationalCompanyofIreland

Quarter To

Drawhandsoneachclock toshowthecorrecttime. Writethetimeinwords.

quarterto 9two forty-fiveto11

Let’stalk!

Explainwhy.

Foreachof thetimesin and ,canyou sayif itisinthemorning,afternoon,eveningornight?

D Mathseyes

Notallclocksorwatcheslook thesame.Whattimedoeseachof theseshow?

37 Unit5: Time1. Days 8and9, Lesson 6

1. 2. 3. 4. 5.

Drawandwritethecorrecttimes.

9:4512:452:4510:455:45

1 4 3 45 ©TheEducationalCompanyofIreland

Propertiesof 2-DShapes

Usethecolourcodetocolourtheshapes.

trianglesquarerectanglecircle oval

Ashapewith 6 straightsidesis a hexagon hexagon.

Ifallthesides andanglesarethe samemeasure,it isa regular regularshape. ©TheEducationalCompanyofIreland

Labeltheshapesabove.

1. WriteHinthehexagons.

2. WritePintheparallelograms.

3. WriteRintheregularshapes.

Let’stalk!

Arethereanyshapesthatyoudidnotcolour?Why?

Whatnamescouldbegiventothoseshapes?

DoyouagreewithMonty?Whyorwhynot?

A4-sidedshape,where theoppositesidesare equalinlength,is a parallelogram parallelogram.

Ithinkyou couldhave alsocoloured thesquares blue!

38 Unit6 Digital Resources

Shapes. Day 2, Lesson 2

Unit6:

2-DShapes:Sidesand Vertices(Corners)

Drawtheshapesandcompletethetable.

2-DshapeDrawtheshape

Square Triangle

Rectangle

Circle

Oval

Semi-circle

Hexagon

Parallelogram

Let’stalk!

Howmany straight sides?

Howmany curved sides?

Howmany vertices?

Apolygonhas onlystraight sides. ©TheEducationalCompanyofIreland

Whichof theshapesabovearepolygons?

Always,sometimesornevertrue:apolygonhas moresidesthanvertices?

Nameapolygonwithanoddnumberof sides.

Nameapolygonwithanevennumberof sides.

Trythis! Miaused13sticks tomake3shapes. Whatshapescouldshehavemade?

39 Unit6: Shapes. Day 3, Lesson 3

Classifying2-DShapes

Matcheachshapetothecorrectlabel.

straight sidesonly

©TheEducationalCompanyofIreland

notall straightsides

Drawoneshapeineachspacebelow.

regular polygons

MAM-2-06-014

Thesideson a regularpolygon areallthesame length.

3 verticesorless morethan3 vertices

notregular polygons

Trythis! Writeadifferent label foreachbox.

40 Unit6: Shapes. Day 4, Lesson 4

ShapesinShapes

Usearulertodrawstraightlinestodivideeachshapeinto smallershapes.

Let’stalk!

Withyourpartner,comparehowyoudividedtheshapesin : Didyoudoitindifferentways?

Canyounametheshapesthatyoumade?

Usetangrampiecestomakenewshapes.

4. 6pieces? 5. 7pieces? ©TheEducationalCompanyofIreland

1. Usethetwosmallesttrianglestomakeanewshape. 3 theshape.

● mediumtriangle

● square ● parallelogram

2. Usethetwosmallesttrianglesandoneotherpiece. Onyourmini-whiteboard,drawtheshapeyoucouldmake.

Trythis! 3or ✗.Usingthetangrampieces,isitpossibletomake asquarewith...

1. 3pieces? 2. 4 pieces? 3. 5pieces?

41 Unit6: Shapes. Days 5and6, Lesson 5

Classifying3-DShapes

Mathseyes

Labeleach3-Dshape.

Mathseyes

Whatcanthese3-Dshapesdo? 3whateach3-Dshapecando.

cube

cuboid cylinder sphere cone pyramid

©TheEducationalCompanyofIreland

Roll Stack Slide

42 Unit6: Shapes. Day 7, Lesson 6

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.

3-DShapes: Faces,Edgesand Vertices

Matcheach3-Dshapetooneormore suitablelabels.

flat facesonly

flat facesanda curvedsurface

acurvedsurfaceonly

straightedgesonly noedges

curvededgesonly novertices

lessthan6vertices

morethan6vertices

Thesemighthave morethanone correctanswer!

Trythis! Guesstheshape.Theyeachhaveadifferent shape.

Ihaveashape withequalfaces.

Ihaveashape with1curvededge. Ihaveashape withcircularfaces.

Ihaveashapewithan evennumberofvertices.

43 Unit6: Shapes. Day 8, Lesson 7

1. 2. 3. 4.

©TheEducationalCompanyofIreland

ConstructingandDeconstructing3-DShapes

Matcheach3-Dshapewiththecorrectsetof 2-Dshapes.

Tomakea…Ineed…

cube pyramid

cuboid

Let’stalk!

Which3-Dshapescouldnotbemade fromthepiecesabove?Why?

What3-DshapesisLexitryingtomake?

D Let’stalk!

Always,sometimesornever?‘A3-Dshapealwayshasmoreedgesthan vertices,andmoreverticesthan faces.’Explainyouranswer.

Trythis!

1. MiaandDaraaremaking3-Dshapes.

(a) Miamakesapyramid.Ringthe piecessheuses.

(b) WhatcouldDaramake from whatisleft?

2. (a) Jaymadethisshape from sticks and piecesof playdough.

(b) Jayhas8sticksleft. Whatelsecouldhemake?

©TheEducationalCompanyofIreland

44 Unit6: Shapes. Day 9, Lesson 8

Trythis! Daraiscounting from105 to124. 3 thenumbershewillsay.Explainwhy. 118 126 104 121 110 105,106... 45 Unit7: Numbersto200. Day 1, Lesson 1 Unit7 Digital Resources Counting Ringeachgroupof ten.Counthowmanymarblesinthebox. Connectthebeadsinorder,startingwiththesmallestnumber. 1. 2. 3. 104 103102 9796101 9899100 123122121 124 119120 125118117 136137144 139138143 140141142 Completethenumberlines. 1. 2. 155156157158 176177178179 ©TheEducationalCompanyofIreland

CountingGroups

Let’sinvestigate!

Howmany?

Choosearesourcetocount.

Inacontainer,putanamountthatyouthink isbetween100and200.

Donotcount!

Drawoneof what youarecounting.

Makeanestimate thatistoobig.

Makeanestimate thatistoosmall.

Makeareasonable estimate.

Nowcount.

Totalamount=

Trythis! Howmanymoretomake150or200?(whicheveriscloser)

Completethenumberpaths.

160170180190 4

Howmanymore? ©TheEducationalCompanyofIreland

105110115120

46 Unit7: Numbersto200. Days 2and3, Lesson 2

020 4060

132134 136138

Eachrowusesthesamewaytoshowdifferentnumbers.

47 Unit7: Numbersto200. Day 4, Lesson 3

RepresentingNumbers Completethetable.

onehundredand fourteen

onehundredand fifty

onehundredand eight 114 = 100 + + 4 150 = + + = + + Match! onehundredandsixteen onehundredandsix onehundredandsixty onehundredandsixty-six 160 166 116 106 Trythis! Thechildrenwereaskedtosketch114. 3 theonesthatshow114. 10 10 10 10 10 100 8 1000 108 ©TheEducationalCompanyofIreland

Hundreds, TensandOnes

Completethetable.

1. onehundredand fifty-two

2. onehundredand twenty

3. onehundredand nineteen hundred, tensand ones hundred, tensand ones hundred, tenand ones Matchtheplacevaluearrowcards.

48 Unit7: Numbersto200. Day 5, Lesson 4

HTO HTO

1 19

rowasquickcubes. 10 10 100 3 1 76 10 070 7 1 31 10 060 6 1 67 10 010 1 1 1 3 10 030 ©TheEducationalCompanyofIreland

HTO HTO HTO HTO HTO HTO HTO

Youcandrawthefirst

ComparingandOrderingNumbers

Ringthegreaterineachsetif possible. Put<,>or=inthecircle.

1. 2.

2. 4.

©TheEducationalCompanyofIreland

Ringthegreaterineachsetif possible. Put<,>or=inthecircle.

1. 98 102

3. onehundredandsix 160

5. 197 180+17

Fillin anumbertomakethesetrue.

1. 123isgreaterthan

134

4 +3

. 181 118

6. 160+14 18tens

2. 109islessthan

3. isgreaterthan119 4. islessthan170

Trythis! Usethedigitcardstoanswerthequestions.

1. Usingonly two of thedigits…

(a) makethegreatestnumber.

(b) makethesmallestnumber.

2. Usingonly three of thedigits…

(a) makethegreatestnumberlessthan200.

(b) makethesmallestnumbermorethan100.

3. Ordertheanswers fromsmallesttogreatest.

4. Choose fourotherdigitsandwritethemonyourmini-whiteboard. Repeattheactivitiesabovewiththenewdigits.

49 Unit7: Numbersto200. Days 6and 7, Lesson 5

6 1 3 9 10 10 100 10 10 10 1 1 1 1 1 1 1

Roundthesenumbers.Youcandrawnumberlineson yourmini-whiteboard.

Trythis! Whatmightthenumbersbe?

Theyaregreaterthan100andlessthan200.

1. Ihave3ones.Iroundto140.

2. Iamlessthan126.Iroundto130.

3. Mytensdigitandonesdigitarethesame.Iroundto180.

Hint: Youcould writedownall ofthenumbers thatroundto eachnumber.

50 Unit7: Numbersto200. Day 8, Lesson 6

Writethetenbeforeandafterthenumber.Ringthenearestten.

2. 3. 4. 5. 6. 7. 8.

EstimatingNumbers

Number Nearestten Nearesthundred 139 85 151 113 187 194 105 110 120 148 175 164 109

©TheEducationalCompanyofIreland

NumberHunts

Mathseyes Schoolnumberhunt

1. Findnumbersbetween100and200inyourclassroomorschool. Writethemandshowthemasasketch.

(a) (b) (c)

©TheEducationalCompanyofIreland

(d) (e) (f)

2. Showwhereeachnumbersitsonthenumberline.

100

200

3. Roundeachof thenumberstothenearestten.

(a) ➜ (b) ➜ (c) ➜

(d) ➜ (e) ➜ (f) ➜

Lookforacar!

1. Writethereg.number:

2. Usetwoof thedigitseachtimetomake…

(a) thegreatestnumber

(b) thesmallestnumber

3. Usethreeof thedigitseachtimetomake…

(a) thegreatestnumberlessthan200

(b) thesmallestnumbermorethan100

. Ordertheanswers fromsmallesttogreatest.

51 Unit7: Numbersto200. Day 9, Lesson 7

The ToyShop

Mathseyes

Matcheachtoytoalabelthatsuits.

Let’stalk!

Whatotherlabelscouldbeused forsomeof thetoysin ?

Aretheretoysorgamesinyourclassroomthatmatchanyof theselabels?

Trythis!

Rule:Youcanonlyusethesamedigitonceinanynumberthatyoumake.

1. Whatisthelargestthree-digitoddnumberyoucanmakethatis closestto200?

2. Whatisthelargestthree-digitevennumberyoucanmakethatis closestto200?

52 Review2

1. noedges curvedsurfaceonly straightedgesonly flat facesonly novertices morethan6vertices

3. 4 5. 6. 7. 8.

©TheEducationalCompanyofIreland

Let’screate!

Fillinthemissingdatesonthetoyshopcalendar. Decemberopeningtimesatthetoyshop

©TheEducationalCompanyofIreland

D Let’stalk!

Ask yourpartnerquestionsbasedonthecalendarabove. Example:OnhowmanyFridaysisthetoyshopopen?

Trythis!

1. Whichdayof theweek hasthelongestopeninghours?

2. Forhowmuchlongerisitopenthanon24 December? hours

Let’splay! Eightspinsto200

● Youwillneedplacevaluecountersorbasetenblocksanda .

● Inpairsorgroups,takeitinturnstospinthespinner.

● Choosewhethertocollectthatnumberof tensorones.Example:If the spinnerlandson5,youcanchoosetocollect5or50.

● Eachplayermustspineighttimes.

● Thewinneristheplayerwiththeamountclosestto200attheend. Youcangoaboveorbelow200.

53 Review2

MonTueWedThurFriSatSun 9to 59 to 59 to 59 to 6closed 9to 59 to 59 to 59 to 59 to 59 to 6closed 9to 59 to 59 to 59 to 59 to 59 to 6closed 9to 59 to 59 to 59 to 59 to 4 closedclosed closed9to 4 9to 4 9to 4 9to 4

30 3 2 1 12

Iusedquick cubes.

TO TO

TO TO TO

Iusedthe numberline onmyminiwhiteboard.

Let’stalk!

Inwhatotherwayscould and besolved?

Trythis! Solvethesenumbersentencesinyourownway.

54 Unit8: AdditionandSubtraction2. Day 1, Lesson 1 Unit8 Digital Resources AddingandSubtractingOnes Completethese.

2. 3. 4. 42+5= 51+8= 64 +3= 35+ 4

2. 3. 4

78–7= 86–3= 57–5= 69– 4

95–2= TOTOTOTOTO 7886576995 –7–3–5– 4 –2

= Completethese. 1.

.5.

TOTOTOTO

+5+8+3+ 4

4 2516 4 35

=75+ 4 2. =68–5 3. 81+ =89 4. –3=53 5. 92= −7 6. + 41= 47 10 10 10 10 10 10 10 1 1 1 1 1 1 1 1 ©TheEducationalCompanyofIreland

55 Unit8: AdditionandSubtraction2. Days 2and3, Lesson 2 AddingandSubtracting Tens Drawquick cubesandwritethenumber. 30less20less10lessNumber10more20more30more 1. 2. 3. Completeeachcut-up100squarestrip. 6291 161219 18 2622 28 36 34 44 57 67 73 83 10095 TO TO TO 56 55 23

1. = 45+20 2. =88− 40 3. 30+ =79 4. –50=24 5. 16= −80 6. +60=97 ©TheEducationalCompanyofIreland

Trythis! Solvethesenumbersentencesinyourownway.

AddingandSubtracting Two Two-digitNumbers

Drawquick cubestosolvethese.

Usenumberlinestosolvethese.

1. 43+14 = 2. 72+23=

Usethecolumnmethodtosolvethese.

Trythis!

1. Writeanumbersentence,using fourof the digits1,2,3, 4 or5onceonly. + Addthenumbers.Whatisthetotal?

2. Whatisthegreatesttotalthatcanbemade fromthedigitsabove?

Whatstrategiescouldbe usedtoaddthenumbers? ©TheEducationalCompanyofIreland

3. Whatistheleasttotalthatcanbemade fromthedigitsabove?

56 Unit8: AdditionandSubtraction2. Day 4, Lesson 3

3 75

66+23= 51+23= 35−22= 47−26=

2. 3.

3. 75−12= 4. 53− 41=

TO 2. TO 3. TO 4. TO 5. TO 6. TO 366 4 22889579 + 4 2+ 21+ 4 7– 77 –1 4 –56

TO TO

TO TO TO TO

Trythis!

2. Whatisthegreatesttotalthatcanbemade?

3. Whatistheleasttotalthatcanbemade?

Whatstrategies couldbeused?

Addthenumbers.Whatisthetotal?

Writeanumbersentence,usingthedigits6,7or8onceonly. +

57 Unit8: AdditionandSubtraction2. Day 5, Lesson 4 Adding−Making Tens Oneachnumberline,jumpontothenextten. Then,jumptherestof theway.

46+7= 2. 68+9=

77+8= 4. 59+6=

1. 2. 3. 4

66+19= 55+18= 35+27= 49+26=

1. 2. 3. 4. 39+ 4 = 26+8= 48+5= 57+9= 39+14 = 26+28= 48+25= 57+29=

Drawquick cubes.Ring10onestomakeaten.

Moveonestomakeateninthese.

650 +4 6870 12 12 40 24 310 ©TheEducationalCompanyofIreland

AddingwithRenamingOnesas Tens

Use tomodelthese.Usebranchingtoshowwhatyoudid. 1.

Use tomodelthese.Usethecolumnmethodtoshowwhat youdid.

Let’stalk!

Howcouldyoucheck theanswersto and ?

Trythis!

1. HowmuchmoneydoesJayhave?€

2. Howmuchmoneydobothchildren havealtogether?€

Mia€28

€? Jay ?

©TheEducationalCompanyofIreland

€19

Ihave€28. Ihave€19more thanyou.

58 Unit8: AdditionandSubtraction2. Days 6and 7, Lesson 5

2. 3. 4. 42+39= 56+34 = 25+67= 38+ 48= 5. 6. 7. 8. 37+27= 36+59= 68+19= 89+8=

1. TO 2. TO 3. TO 4. TO 5. TO 2839775873 + 4 5+ 23 +6+ 38+18 73

8010 7011 81 1 €

AddingwithRenaming TensasHundreds

Use tomodelthese.Usebranchingtoshowwhatyoudid.

Use andthecolumnmethodtosolvethese.

Trythis!

1. Use fourdifferentdigitstomaketwonumbers thatmakeathree-digittotalwhenadded. Addthenumbers.Whatisthetotal?

2. Whatisthegreatestthree-digittotalthat canbemade?

3. Whatistheleastthree-digittotalthatcanbemade?

Checkyouranswers, usingadifferent strategy.Whichone?

59 Unit8: AdditionandSubtraction2. Day 8, Lesson 6

1. 2. 3. 4. 42+84 = 57+52= 23+93= 85+70= 5. 6. 7. 8. 93+29= 84 +67= 78+89= 86+97=

1. TO 2. TO 3. TO 4. TO 5. TO 7170625871 +53+8 4 + 94 +87+69 124 6. TO 7. TO 8. TO 9. TO 10. TO 9362865077 +79+65+ 9 7+ 82+58

1009 1206

+ ©TheEducationalCompanyofIreland

126 122 11012

AddingThreeNumbers

Let’stalk!

For and below,estimatewhethertheanswerswillbelessthan(<) orgreaterthan(>)100.Writethesymbolbesideeachtoshowyour estimate.Explainwhy.

Usethecolumnmethodtosolvethese.

Chooseawaytosolvethese.Useresourcesasneeded.

Ringthedigits youaddedfirst ineachcolumn.

D Let’stalk!

Wereyourestimates for and correct?Explainwhy. Howcouldyoumakeaquick,reasonableestimateeachtime?

Let’splay!

● Inpairsorgroups,taketurnsthrowingtwodice. Recordthebiggestnumberthatcanbemade.

● Forexample,if youthrow3and 4,make 43.

● Playuntileveryplayerhasmadethreenumbers.

● Thewinneristheplayerwiththegreatesttotal fromtheirthreenumbers.

Trythis! Canyouwork outthe correctsymbol(<,>or=)without addingthenumbers?

60 Unit8: AdditionandSubtraction2. Day 9, Lesson 7

1. TO 2. TO 3. TO 4. TO 5. TO 21155 4 2897 203262 4 58 4 +29+25+23+37 +7

36+ 40+36=

68+56+32=

29+51+79= 4. 68+79+53=

47+66+ 43= 6. 56+58+54 =

1. 50+ 40+60 60+50+ 40 2. 76+31+84 78+65+34 3. 63+84 +59 54 +69+83 4. 27+34 + 48 52+61+73 +

©TheEducationalCompanyofIreland

Different Views

Whichaerial-viewobjectshaveamatchingstreetview?Matchthem.

Whichonesabovehadnomatch?Drawthecorrect aerialview fortheseinyourcopy.

Let’stalk!

What3-Dshapescouldthesebe?

Imaginethatyouarefloatingabovetheclassroom, lookingdown.Drawthedoorsandwindowsfirst.Draw thebigthingslikedesksnext,andthenthesmallthings. ©TheEducationalCompanyofIreland

Ithinktherecouldbemorethanone correctanswertosomeofthese.

Look atMia.Whatdoyouthink?Explainwhy.

Trythis! Inyourcopy,drawanaerialviewof yourclassroom. Use PCM2(1cmSquareGrid)tohelpyou.

61 Unit9: Locationand Transformation. Day 1, Lesson 1 Unit9 Digital Resources

PCM 2

Turns

Mathseyes

Ringthecorrectinstructions.Whatisneeded…

1. 2. 3. toturnto60?

fullturn

half turn

quarterturn

clockwise anti-clockwise

toturnto30?

fullturn

half turn

quarterturn

clockwise anti-clockwise

fortheorangehandto turnto9?

fullturn

half turn

quarterturn

clockwise anti-clockwise

forthegreenhand toturnto3?

fullturn

half turn

quarterturn

clockwise

anti-clockwise

forredtobe pointingright?

fullturn

half turn quarterturn

©TheEducationalCompanyofIreland

clockwise anti-clockwise

foryellowtobe pointingleft?

fullturn half turn quarterturn

Match.Whatisneededtohavethestick pointing…

Let’stalk!

clockwise anti-clockwise

left?

half turn,anti-clockwise right?

fullturn,clockwise up? quarterturn,anti-clockwise down? quarterturn,clockwise

Inwhatdirection,andbyhowmuch,mightIhaveturnedeach shape,ifitlooksthesameattheendasitlookedatthestart?

StartEndStartEndStartEnd

62 Unit9: Locationand Transformation. Day 3, Lesson 3

Look atthegridabove.ThebotalwaysstartsatA1.If Daraenters thedirectionsbelow,wheredoesthebotendup?

Directions:

Endsupat:

63 Unit9: Locationand Transformation. Day 4, Lesson 4

3 2 1

Directions

AB CD

1 2 3 4 5

fromA1toF3. B3 Trythis! Findaroute forthe bottoget fromA1toF3without touchinganyblueshapes. GO GO GO GO GO GO ©TheEducationalCompanyofIreland

Showdirectionstobringthebot

RightAngles

Dotheseshapeshaverightangles?

Drawa inanycornerthatisarightangle.

Drawan ✗ if itisnotarightangle.The firstonehasbeendone foryou.

Mathseyes

1. Drawa inanycornerthatisrightangle.

2. Find fiveitemswithrightanglesinyourclassroom.Drawthemin yourcopy.

Trythis!

1. Howmanyright-angleturnsmustthebotdotomake…

(a) aquarterturn?

(b) ahalf turn?

(d) threequarterturns?

2. Jaydrewthishouse. Howmanyrightanglesarethere?

3. Inyourcopy,drawyourownpicturewith morethan20rightangles.

©TheEducationalCompanyofIreland

64 Unit9: Locationand Transformation. Day 5, Lesson 5

1. 2. 3. 4 5. 6. 7.

12 1 3 9 6 2 4 5 11 10 8 7 GO

Reflections

Completetheseshapes.Useyourmirrortocheck. 1. 2. 3. 4.

Let’stalk!

Nametheshapesyoumadeabove,if youcan. Ineachshape,drawa toshowanyrightangles. Whichshapehasthemostrightangles?

Completetheanimal faces.Useyourmirrortocheck. 1. 2. 3. 4.

Completethese.

Mathseyes

Findthingsthathavelinesof symmetryinyourclassroom. Drawtheminyourcopyoronyourmini-whiteboard.

65 Unit9: Locationand Transformation. Days 6and 7, Lesson 6

©TheEducationalCompanyofIreland

WhatMove?

Howwaseachpentominomoved?Writethecorrectletter foreach.

S=SlideT=TurnF=Flip

©TheEducationalCompanyofIreland

Let’stalk!

Canyoudescribeeachmovein inmoredetail?

Usesomeof thesewordsif youcan:

clockwiseanti-clockwiseup down

Arethereanyshapesthatcouldhavebeenmovedinmorethanoneway?

66 Unit9: Locationand Transformation. Day 8, Lesson 7

1. 2. 3. 4.5.6. 7. 8. 9.

Tessellations

Dotheseshapestessellate? 3or ✗.

Doyouthink theseshapestessellate? 3or ✗.Builditorsketchit toproveyouranswer.

1. square

3. rectangle

2. semi-circle

4. parallelogram Completethesetessellations.

D Howmanyrightanglesarethereinsideeachpentominopiece?

1. Drawa toshoweachrightangle.

2. Writethetotalnumberof right anglesineachpiece.

3. Write‘M’inthepiecewiththe mostrightangles.

4. Write‘L’inthepiecewiththe leastrightangles.

Trythis! Coveracopyusingtheleastnumberof patternblocks.

1. Whatshape(s)didyouuse?

2. Howmanydidyouuse?

67 Unit9: Locationand Transformation. Day 9, Lesson 8

©TheEducationalCompanyofIreland

MeasuringLength

Let’sinvestigate!

Whohasthelongestlunchbox?

Iwillmeasureusing Estimate first,thenmeasure.Fillinthetable. Whoselunchbox?

©TheEducationalCompanyofIreland

Howlongiseach?

68 Unit 10: Measuring1. Day 1, Lesson 1 Unit 10 Digital Resources

Estimate Measure

1. cubes 2. cubes 3. cubes

Howtalliseach?

1. 2. 3. cubes cubes cubes

Metres

Estimate firstandthenmeasure. Iseachof thesegreaterthan(>),lessthan(<)orabout(=)1metre? Putthecorrectsymbolineachanswerbox.

Yourheight

Trythis! Make ametrestrip fromanA4 sheetof paper. Howmightyoudothis?Whatdoyouneed? ©TheEducationalCompanyofIreland

Mathseyes

Useyourmetrestrip.Findanddrawthingsthathavealengthof…

Estimateandthenmeasure.

69 Unit 10: Measuring1. Day 2, Lesson 2

Estimate Measure

Yourstride

Your foot

Yourarmspan

Estimate Measure Lengthof theclassroom metres metres Widthof theclassroom metres metres Lengthof thecorridor metres metres Widthof thecorridor metres metres about 1 2 metre about1metre about 1 4 metre

Centimetres

Mathseyes

Findanddrawthingsthathavealengthof… about1centimetreabout5centimetresabout10centimetres

Estimate(E)thelengthandthenmeasure(M)witharuler.

Trythis! Usearulertodrawalineof eachlength below.

70 Unit 10: Measuring1. Days 3and4, Lesson 3

1. 5cm: 2. 9cm:

cm M= cm E= cm

cm E= cm M= cm

cm M= cm E= cm M= cm ©TheEducationalCompanyofIreland

3. >5cmbut<9cm:

E= cm M= cm E=

Let’stalk!

Thecoreofpattern1has3elements:big, small,small.ThiscouldbelabelledABB.

Whatisthecoreof eachpatternabove?

Howmanyelementsarethereinthecore?

Howmightyoulabeleachpattern,usingletters?

Whatwouldbethe12thtermineachpattern?

Trythis!

1. If youcontinuethebeadpattern…

(a) the18thbeadwillbecoloured .

(b) the30thbeadwillbecoloured

Explainhowyou workedthisout.

71 Unit11: Patterns. Day 1, Lesson 1 Unit11 Digital Resources

Completetheserepeatingpatterns. 123 4 56789 10

Repeating Patterns

1. 2. 3. 4

5. 2. If the30thbeadisalsothelastbead,intotal,therewillbe: redbeads yellowbeads purplebeads.

core

©TheEducationalCompanyofIreland

GrowingorShrinking Patterns

Colourinthenexttwoterms.Writethenumberof colouredsquares.

Drawjumpson thenumberlinetoshowagrowingpattern.

Work outtherule forthese.Writethemissingterms. Hint: Useyour100squaretohelpyou.

Miamadethisstringof beads. Fillinthemissingcolours.

Writeoutthetermsof thispattern onyour mini-whiteboard,andcontinueittothe20thterm.

Startlikethis: 1,1,2,2,3,3,...

72 Unit11: Patterns. Day 2, Lesson 2

1. 2, 4, 6,8,10, , 2. 10,20,30, 40, , , 3. 13,11,9,7, , , 4. 45, 40,35,30, , , 5. 17,27,37, , , , 6. 99,88,77, , , , Trythis!

1 023 4 56789 1011121314 15161718192021222324 25

3. .

2. 4 ©TheEducationalCompanyofIreland

PatternsinOddor EvenNumbers

Let’sinvestigate! Oddandevennumbers

Choosesimpleoddandevennumberstoinvestigate. Drawnumbershapestoproveyouranswers.

1. even+even=

2. even–even=

4 + 2 = 8 – 4 =

©TheEducationalCompanyofIreland

3. odd+odd=

4. odd–odd= + = – =

5. even+odd=

6. even–odd= + = – =

7. odd+even=

8. odd–even= + = – =

Completethese.

1. Multiplesof 10allendin .

2. Multiplesof 5allendin

Multiplesof 10are10, 20,30,40…

3. Evennumbersallendin .

4. Oddnumbersallendin .

Trythis! Giveanexample foreach of these.Example

1. odd+even+even= + + =

2. odd+odd+even= + + =

3. odd+odd+odd= + + =

73 Unit11: Patterns. Day 3, Lesson 3

TheZoo

YOU ARE HERE

©TheEducationalCompanyofIreland

Let’stalk!

Youareatthe‘YouAreHere’sign, facingthesnakes. Saywhatdirectionmustyouturntovisit…

● thelion

● thepenguins

● thegiftshop

Canyouthink of anotherwaytodescribehowtoget toeachof theseplaces?

Taketurnstodescribehowtovisiteachanimal, startingattheentrance.

Mathseyes

Canyouuse thesewords?

halfturn quarterturn clockwise anti-clockwise turnright turnleft

Useyourrulertomeasurethelengthof eachinsect’sbody.

74 Review3

2. cm cm

● theentrance ZOO

ThistableshowshowmanyT-shirtsthegiftshophas.Writethetotal foreachstyle.

GorillaT-shirtsPenguinT-shirtsLionT-shirtsGiraffeT-shirts

Total:

Let’screate!

Total:

Trythis! If thegiftshopsells26greengiraffeT-shirts and 25redgiraffeT-shirts,howmanygiraffe T-shirtswilltheyhaveleft? ©TheEducationalCompanyofIreland

White75Pink48Grey13Red 44

Total:

Youwillneedpaperandcolouringpencils.Usingthesebeads,drawsome patterns forbraceletstosellatthegiftshop.

75 Review3

Black 26White54 Black 77Green85

SubtractingThrough Tens

Crossoutcubestosolvethese.

3. 54 –9=

Userelated factstosolvethese.Explainhowyoudidthem.

Writeanumbersentenceanduseanumberlinetosolvethese.

1. Thereare21childrenattheparty. – = 7gohome.Howmanyareleft?

2. Thereare 45childrenintheplayzone.9childrenleaveand 4 more arrive.Howmanychildrenareintheplayzonenow?

3. Thereare38childrenonabus. = 5moregeton.9getoff. Howmanyareonthebusnow?

76 Unit12: AdditionandSubtraction3. Day 1, Lesson 1 Unit12 Digital Resources

32–5= 2. 41–8=

25–7=

5. 63–6=

2. 10–8= 3. 10–9=

20–8= 30–9= 30–3= 40–8= 50–9= 30–13= 40–18= 60–19=

10–3=

20–3=

–

+ =

121314 15161718192021222324 25

5 ©TheEducationalCompanyofIreland

Crossoutcubestosolvethese.

Nowcheck youranswers a differentway. UseBuildit! Sketchit!Writeit!to proveyouranswers.

Trythis! Writethemissingdigitstomake thesetrue. Showadifferentwaytosolveeachonyourmini-whiteboard. 1.

77 Unit12: AdditionandSubtraction3. Days 2and3, Lesson 2

SubtractingwithRenaming

1. 33–25= 2. 40–12= 3. 31–17= 4. 56–38= 5. 42–23= 6. 56–29=

1. TO 2. TO 3. TO 4. TO 5. TO 6. TO 7 4 9293618550 – 4 6– 85 –6 4 –2 3– 57 –11 28 7. TO 8. TO 9. TO 10. TO 78675971 – 4 3–9– 30 –58 614

Usethecolumnmethodtosolvethese.

3 –1 19 2. 5 – 7 28 TO TO

©TheEducationalCompanyofIreland

Trythis! Imaginethatyouhave€100. Howmuchwouldyouhaveleft if youspent…

78 Unit12: AdditionandSubtraction3. Day 4, Lesson 3 Bondsof 100 Solvethese. 1. 2. 3. 4. 75+ =10015+ =10065+ =100 45+ =100

2. Solvethese. 1. 100=60+ 2. 50=100– 3. 100= +20 4. 90=100– 5. 25=100– 6. 100= +85 7. 65=100– 8. 100=95+ 9. 19+ =100 10. 34 + =100 11. 100– 49= 12. 100–74 = 100 40 80 30 10 100 35 25 5 15 45

Completethebarmodels. 1.

€

48?€ 2. €92?€

€83?€

4. €76?€ ©TheEducationalCompanyofIreland

2. 165166167

Solveandcontinuethepatterns.

Usethecolumnmethodtosolvethese.

197198199

79 Unit12: AdditionandSubtraction3. Days 5and6, Lesson 4 AddingandSubtractingOnes Completethese.

146147148

1. 2. 3. 113+3= 113+ 4 = 113+5= 113+6= 113+ = 113+ = 125–5= 126–5= 127–5= 128 – = 129 – = – =

138–7= 138–6= 138 – = – = – =

138–8=

1. HTO 2. HTO 3. HTO 4. HTO 5. HTO 13 4 1 4 81 55177186 +5 +6+9+8+ 4 6. HTO 7. HTO 8. HTO 9. HTO 10. HTO 1511861721 4 71 39 –6 –8– 4 –9–3 D Let’stalk! Howcanyoucheck theanswersinactivity ? ©TheEducationalCompanyofIreland

AddingandSubtracting Tens Completethese.

1. 102112122

2. 145155165

Solveandcontinuethepatterns.

168178188

1. 2. 3.

118+10= 118+20= 118+30= 118+ 40= +50= + =

197–80= 197–70= 197–60= 197–50= – = – =

Writeamatchingnumbersentence foreach.

1. Darahad107stickers.Miagavehim 40. Howmanyhashenow? =

2. Miahad136stickers.ShegaveDara 40. Howmanyhasshenow? =

189–30= 179–30= 169–30= 159 – = – =

3. Jayhad173stickers.Hegave30toLexiand30toMia. Howmanyhashenow? =

4. Lexihad91stickers.Jaygaveher30andDaragaveher20.

Howmanyhasshenow? =

Trythis! Whohad…

1. themoststickers attheend?

2. theleaststickersattheend? ©TheEducationalCompanyofIreland

80 Unit12: AdditionandSubtraction3. Days 7and8, Lesson 5

– =

FindingDifference

Thechildrenplayedagameof bowling. Their finalscoresareshownabove.

1. Whatwerethe finalscores?

(a) Dara (b) Lexi (c) Jay (d) Mia

2. Comparethechildren’sscores.Use<or>.

(a) Dara Jay

Whatnumberswouldyoumaketohavethegreatestdifferencepossible? ©TheEducationalCompanyofIreland

(b) Mia Lexi

3. Usethenumberlinetohelp findthedifferenceinscoresbetween…

(a) JayandLexi

(b) DaraandMia

(d) JayandMia

Writeanumbersentenceandshowhowyousolvedeachof these.

1. Inaschool,thereare135boysand186girls. Howmanymoregirlsarethere?

2. Benis116cmtallandAmyis147cmtall. HowmuchtallerisAmythanBen?

3. Aredbikecosts€159andablue bikecosts€127.Howmuchmoredoes theredbikecost?

Trythis! Using fourdifferentdigits,writeanumbersentenceand calculate thedifference.

81 Unit12: AdditionandSubtraction3. Day 9, Lesson 6

= 120 130 140150 160 170 D M L J B ? G

–

Measuring Weight

Write<,>or=tomakethesetrue.

1. 2.

grapesapplesugar floursugargrapes

Solvethese.

1. Theheaviestitemaboveisthe .

2. Thelightestitemaboveisthe .

3. Ordertheitems,usingtheir firstletteronly. < < < lightest heaviest

Trythis!

1. Trueor false? 3 or ✗

(a) A<B

(b) A>B

(d) A=6blocks

(e) A+B=11blocks

(f) B+B=12blocks

(g) A+A+A=10blocks

Howdoyouknow?

I’mgoingtosketch whatIknowabout thepictureonmy mini-whiteboardfirst.

2. BoxCistwicetheweightof A.Itweighs blocks.

3. BoxDishalf theweightof B.Itweighs blocks

82 Unit13: Measuring2. Day 1, Lesson 1 Unit13 Digital Resources

SUGAR FLOUR SUGAR A CD B

©TheEducationalCompanyofIreland

Completethetable.Choosesomethingelse forthelastrow.

Howmany weighabout a 1 2 kg?

EstimateMeasure

Howmany weighabout a 1 4 kg?

MathsbooksMathsbooks

Mathscopies

Trythis!

Mathscopies

EstimateMeasure

83 Unit13: Measuring2. Days 2and3, Lesson 2

Mathseyes Findanddrawthingsthatweigh… about1kg abouta 1 2 kg abouta 1 4 kg

Kilograms

1. (a) (b)

g 1 kg = 1 2 kg ? 4 kg 2 kg = 1 2 kg ?

2. Altogether,8yoghurtsweigh1kg.Howmanyyoghurtswouldweigh… (a) 2kg? (b) a 1 2 kg? (c) a 1 4 kg? =1

©TheEducationalCompanyofIreland

MeasuringCapacity

Let’sinvestigate!

Completethetableand answerthequestions.

Chooseacontainer.EstimateCapacityDifference

A cups cups cups

B cups cups cups

C cups cups cups

1. Whichcontainerhasthegreatestcapacity,A,BorC?

2. Orderthecontainers fromleasttogreatest. < < Solvethese.

Jar Jug Vase

Glasses

1. Writethecapacity.

(a) jar= glasses

(b) vase= glasses

(d) vase+jug= glasses

Glasses

2. Put<,>or=tomakethesetrue.

(a) jug 6glasses

(b) 2glasses jar

(d) 2jugs 10glasses

Trythis! +

1. = = glasses

glasses

84 Unit13: Measuring2. Day 4, Lesson 3

+= =

©TheEducationalCompanyofIreland

Solvethese.

1. Writethecapacity.

(a) kettle= litres

(b) bucket= litres

(d) kettle+wateringcan= litres

(e) wateringcan+bucket= litres

2. wateringcan= kettles

3. kettle+wateringcan= buckets Trythis!

85 Unit13: Measuring2. Days 5and6, Lesson 4

Mathseyes Estimatethemostreasonablecapacity. Write1, 1 2 or 1 4 ineachbox. 1.2.3.4.5.6. litre litre litre litre litre litre

Litres

f Idrink cups,1litrewillbeleft. 2. If Idrink cups,0litreswillbeleft. 3. If Idrink cups, 1 2 litrewillbeleft.

1 1 2 litres 1 4 litre 01l 11 4 l11 2 l 1 4 l 3 4 l 1 2 l = = = 1l 1l 1l 1l 1l 1l 1l 1l 1l 1l 1l 1l 1l 1l 1l ©TheEducationalCompanyofIreland

f Idrink cups, 1 4 litrewillbeleft.

Potatoessold55kg72kg 48kg

1. OnThursday,theshopsoldlesswaterthanitsoldonMonday,but morethanitsoldonTuesday.Writeapossibleamountinthetable.

2. OnThursday,theshopsoldmorepotatoesthan itsoldonWednesday,butlessthanitsoldon Monday.Writeapossibleamountinthetable.

3. Orderthelitresof watersold fromleasttogreatest.

l< l< l< l

4. Ordertheweightsof potatoessold fromgreatesttoleast. kg> kg> kg> kg

Measureeachline.Orderthelines fromshortesttolongest.

Ordertheheights from

Fillineachboxwithasuitable shortesttotallest. number.

86 Unit13: Measuring2. Day 7, Lesson 5 l kg

MonTueWedThu

ComparingandOrderingMeasures

Watersold36l29l

2. 3. 4

5. cm< cm< cm< cm< cm shortest longest

1m5cm75cm90cm ______ < ______ < ______ least greatest 40kg kg 53kg 26l31l l m 80m90m cm cm cm cm cm ©TheEducationalCompanyofIreland

OperationswithMeasures

0102030

405060708090100

Solvethese. (Hint: Buildit!Sketchit!Writeit!)

1. (a) Howmuchheavieristhedog food? kg

(b) + + = kg

2. Whatlengthisthethirdloaf? cm

(a) Theheaviestbagweighs kg.

(b) Thelightestbagweighs kg.

(b) Theheaviestbagis kg heavierthanthelightestbag.

4. Darais1m25cmtall.Jayis1m18cmtall.

(a) HowmuchtallerisDara? cm

(b) If bothlayheadtotoe,how farwilltheystretch? m cm

5. BoxBholdstwiceasmuchwaterasboxA.BoxCholdshalf asmuchas boxA.BoxDholdsthreetimesasmuchasboxC.Howmuchwaterisin eachbox?

l 40l l l

87 Unit13: Measuring2. Day 8, Lesson 6

15kg24kg 40kg

1metre 40cm30cm?cm

A AB CD A B B C

12kg

5kg

©TheEducationalCompanyofIreland

a.m.andp.m.

Showthetimesand 3 a.m.orp.m.

1. Daragetsupataquarter past7inthemorning. : a.m. p.m.

3. Jaygoestoschoolataquarter to9inthemorning. : a.m. p.m.

Match!

2. MiawatchesTVataquarter past7intheevening. : a.m. p.m.

4. Lexigoestobedataquarter to9intheevening. : a.m. p.m.

12:00p.m.isalsocalled morning

12:00a.m.isalsocalled afternoon

Timesbefore12:00p.m.areinthe midnight

Timesjustafter12:00p.m.areinthe middayornoon

Trythis! Dara’sday:Readallof theoptions first. Then,writethecorrecttime.

Hewakesup.

Hegetsdressedby… ________

Hegoestotraining.

Hegetshome fromtraining. ________

Heeatsbreakfastby…

Hegoestoschool. ________

Hegetsready forbed.

Hegoestobed.

88 Unit 14: Time2. Day 1, Lesson 1 Unit 14 Digital Resources

8:30p.m.8:00a.m.9:00p.m.7:30a.m. 8:30a.m.8:00p.m.7:00a.m.7:00p.m.

________ ©TheEducationalCompanyofIreland

Duration

Takingthetrain

1. Useclocksand/orthetimenumberlinetohelpyoucompletethetable.

Saturdaytrains

Dublinto…LeavesArrives Totalduration(length)of journey

Belfast

1:00p.m.3:00p.m.

Wexford 1:15p.m.3:45p.m.

Sligo 1:30p.m. 4:30p.m.

2. Whichjourneyistheshortest?Dublinto

3. Whichjourneyisthelongest?Dublinto

4. JaygotontheWexfordtrain,buthegotoff atBray. If Brayishalf anhouraway fromDublin,atwhat timedidJayarriveatBray?

Trythis!

Usethecluestohelpyoucompletethe table.

● ThetraintoWexfordleavesatmidday.

● ThetraintoSligoleavesataquarter past2intheafternoon.

● The1sttraintoBelfastleavesata quarterto8inthemorning.

Sundaytrains

Dublinto…LeavesArrives

Belfast

Wexford

Sligo

Belfast

● The2ndtraintoBelfastleavesathalf past7intheevening.

● Theduration(length)of eachtrainjourneyisthesameasonSaturday.

(Hint: Usethelastcluetowork outwheneachtrainshouldarrive.)

Let’stalk!

Lexi’swatchshowsthetimeshearrivedatthestation. Whattrainmightshebecatching?

89 Unit 14: Time2. Days 2and3, Lesson 2

12 1 3 9 6 2 4 5 11 10 8 7

:00 1530 45 1530 45 1530 45 2:00 3:00 4:00 1530

©TheEducationalCompanyofIreland

90 Unit 14: Time2. Day 4, Lesson 3 Timetables Feedingtimesatthezoo

11:15a.m.

11:30a.m.

12:00p.m.

12:30p.m.

2:30p.m.

10:45a.m. seal

kangaroo

chimpanzee

panda 12:15p.m. bear

giraffe 1:45p.m. elephant 2:00p.m. (Mon,Wed,Fri,Sun) 2:00p.m. (Tue,Thu,Sat) lion 2:15p.m. meerkat

penguin 3:00p.m. seal

Let’stalk! Whatdoyounotice?Whatdoyouwonder? tiger ©TheEducationalCompanyofIreland

Look atthetimetableandanswerthequestions.

1. Whogets fedataquarterto2?

2. Whogets fedataquarterpast12?

3. Whogets fedatmidday?

4. Whatis(a)theshortestand(b)thelongestamountof timebetween the feedingtimes? (a) (b)

5. Lexiarrivesatthezoojustafteraquarterto2onaTuesday. Whichanimalcansheseebeing fed first?

6. Lexispendsalmost2andahalf hoursatthezoo.Atroughlywhat timedoessheleave?

7. Makeupaneasyquestiontoask yourpartneraboutthetimetable. Writeit.

8. Makeupaharderquestiontoask yourpartneraboutthetimetable. Writeit. Let’stalk!

Whoiscorrect,MiaorLexi?

Explainwhy.

10:30a.m.11:30a.m.1:00p.m.2:00p.m.3:30p.m. ©TheEducationalCompanyofIreland

Theelephantgetsfedat threequarterspast1. No,it’sat a quarterto2!

Trythis! Completethetimetableoffeedingtimesatthesafaripark. Puttheanimalsinthecorrectplaces.

● The giraffe gets fedlaterthanthe lion andthe elephant.

● The tiger gets fedlaterthanthe giraffe,butearlierthanthe meerkat.

● The elephant gets fedtheearliest.

91 Unit 14: Time2. Day 4, Lesson 3

NationalSpringClean

Springclean-up fortowns

1. Oldtown,Newtown,Lowtownand Hightownheldtheirspringclean-up onthe firstSaturdayinAprilthisyear. Whatwasthedate?

2. Usethecluestocompletethetableaboutthetownclean-ups.

● NewtownstartedbeforeLowtown,butafterHightown.

● Oldtownstartedatmidday.

● Lowtownhadthelateststart.

● Hightown’sclean-uplastedtwoanda half hours.

● Oldtown’sclean-uplastedthreehours.

● Newtown’sclean-upendedathalf past threeintheafternoon.

● Lowtown’sclean-upendedhalf anhour afterHightown’s.

Didyouknow thatNational SpringClean takesplace inApril? ©TheEducationalCompanyofIreland

Let’stalk!

Ask yourpartnerquestionsbasedonthe tablein .Usethe followingwords: earliest,latest,shortesttime,longesttime.

92 Review4

Townname StarttimeEndtime Durationof clean-up 12:00p.m. 1:00p.m. 1:30p.m. 2:00p.m.

Weighingthelitter

1. Comparetheweightsof littercollected.Put<or>ineachcirclebelow.

(a) Newtown Hightown

(b) Oldtown Hightown

2. Whichtown’slitterwas…

(a) thelightest?

(b) theheaviest?

3. Thisnumberlineshowstheweightof eachtown’slitterin kilograms.

100110120130140150160170180190200 kg

Usethenumberlineto findthedifferencein weightbetween…

(a) NewtownandOldtown kg

(b) NewtownandHightown kg

(d) LowtownandOldtown kg

93 Review4

NOL

1. Isitanoteoracoin?Write N or C ineachbox.

2. ✗ theonesthatarenotusedinIreland.

3. ColourtheonesthatareusedinIreland.

Let’stalk!

Saythevalueof eachnote/cointhatyoucolouredin . Namethecountryof eachnote/coinwhereyouput ✗ in . Whichonebelowdoesnotbelong?Explainwhy.

Trueor false:allcoinsareround?

Trueor false:alleurocoinsarecent?

Trythis! Guessthevalueof each.Whatmakesyouthink this?

1. 2. 3. 4. ?

94 Unit15 Digital Resources MoneyAroundthe World Look atthepictures.

Unit15: Money. Day 1, Lesson 1 TWOPOUNDS FIVE DOLLARS FEDERAL RESERVENOTE THEUNITEDSTATES OFAMERICA FIVE CentralBankofEgypt Pounds Ten 10 U N I TED STATES OFAMER I C A ONE DIME EURO 10 10 EURO 20 20 PENCE FIFTY

Whatdotheythin

Whydotheythink this?

Doyouagreeordisagree?

Explainwhy.

95 Euro Use 10 10 .Showtwowaystomakeeachamount. (Hint: Samevalue,differentappearance!) Amount 1. 2. Use EURO 10 10 .Fillintheblanks.(Hint: €20=howmany€5?) 1. = 2. = 3. = 4. =

k atJayandLexi.

Let’stal

Loo

No,Ihavemore! Ihavetwo€10notes. Ihavemore!

Howmuchisineachpiggybank?Writeeachamount intwoways.

Writetheamountascentonly.

Writetheamountusing€andadecimalpoint.

Trythis! Completethegridtoshowtheamounts. (Hint: Use€andadecimalpoint.

€andc

1. 2. 3. € c€ c€ c

1. €1.46= c 2. €1.05= c 3. €1.60= c 4. €0.84 = c 5. €0.40= c 6. €2.00= c

1. 127c=€ 2. 100c=€ 3. 160c=€ 4. 45c=€ 5. 99c=€ 6. 2c=€

How muchis... two? €0.04 €0.10€0.20€0.40 three? €0.06 €€€

our? €€€ five? €€€

€€€

€€

six?

seven?

eight?

Child:€1.

Let’stal

Look ateachpairbelow.Whodoyouthink hasmore?Explainwhy. Whocouldhavethesameamount?Explainwhy.

97 ExactMoneyOnly Use 10 10 .Showtwowaystomakeeachamount. (Hint: Samevalue,differentappearance!) Tollcharges 1. 2. Motorcycle:€0.80 Car:€1.50 Coach:€2.30 Bus fares 1. 2. Adult:€2.50

1. 2. 3. Unit15: Money. Day 5, Lesson 4

ComparingandOrdering

Whichwouldyourather?

1. Ringtheamountthatyouwouldratherhaveineachrow.

2. Put<,>or=inthecircleineachrowabove.

Howdidyou worktheseout?

3. Whatisthesmallestamountabove? cor€

4. Whatisthelargestamountabove? cor€

Let’stalk!

Look atDara,JayandMia.

IhavemorethanMia. IhavelessthanMia.

WhatnotedoIhave?

Trueor false: 3coins>1note?Explainwhyyouthink this.

Unit15: Money. Day 6, Lesson 5

Finding Totals

Let’splay! Makeapicnic forthebeach!

● Playinpairs.

● Eachplayershouldthrowa twicetobuyanitem fromeach group. Example: If youthrowa3,youbuytheitem numbered3.

● Addthecostof yourtwoitemsto findthetotal.

● Thewinnerof eachroundistheplayerwhospendsthemost. Group

● Playagain,butthistimethewinneristheplayerwhohasspent theleast.

Trythis! Inthegameabove…

1. Lexispent€0.99. Howmuchwaseachitem? cand c

2. Jayspentmorethan€1. Howmuchwaseachitem? cand c

3. Miaspentthemostpossible. Howmuchwaseachitem? cand c

1 29c 2 45c 1 39c 2 42c 3 49c 4 60c 3 49c 4 55c 5 65c 6 75c 5 55c 6 80c

AGroupB

FindingChange

Youhave50c.Usethenumberlinesto findyourchange.

1. Ihave .Ispend 42c. Mychangeis c.

Ihave .Ispend39c. Mychangeis c.

100

Inpairs,spina

The2ndis

Thewinnero

Ihave .Ispend29c. Mychangeis c. Let’splay! ●

twice.The firstspinis for10ccoins.

for1ccoins.Example:Ispin 4 andthen5,soIspend 45c. ●

f eachroundistheplayerwhohasthemostchangeleft.

Ihave .Ispend c.Mychangeis c.

2. Ihave .Ispend c.Mychangeis c.

Unit15: Money. Days 8and9, Lesson 7 010c20c30c 40c 42c 50c 020c 40c60c80c€1 020c 40c60c80c€1 020c 40c60c80c€1 010c20c30c 40c50c 010c20c30c 40c50c 39c

3. Ihave .Ispend c.Mychangeis c.

Block Graphs

Agroupof peoplewereaskedwhatistheir favouritecitytovisit.

Theseweretheirchoices:

NewYork, Paris, NewYork, London, Dubai, Dubai, NewYork, Paris, London, NewYork, Dublin, NewYork, Paris, Dubai, NewYork, Dubai, Paris, NewYork, Dublin, London, Dubai, Paris, NewYork, Dubai

Completethetallychart.

Choices: NewYork London Dublin Paris Dubai

Tally:

Completethesentences.

1. peoplepreferredNewYork.

2. Twiceasmanypeoplechose aschose .

101 Unit 16: Data2. Day 2, Lesson 2 Unit 16 Digital Resources

7 6 5 4 3

Total: Completetheblock graph. Title: 8

2 1 NewYork London Dublin Paris Dubai

3. morepeoplechose thanchose .

4. fewerpeoplechose thanchose .

Multiple Values

Agroupof peoplewereaskedhowtheytravelledtotheirlastholiday.

Completethetallychart.

Travelled by:Tally Total

Completetheblock graph.

Title:

Aeroplane

Completethese.

1. Howdidmostpeopletravel?

2. Howdidtheleastnumberof peopletravel?

3. (a) Didmorepeopletravelbycarorbytrain?

(b) Howmanymore?

4. Twiceasmanypeopletravelledbycarastravelledby .

5. Howmanypeoplealtogethertravelledbyland?

6. Howmanypeopleweresurveyedintotal?

D Let’stalk!

Whomightbeinterestedinthisinformation?Explainwhy.

102 Unit 16: Data2. Day 3, Lesson 3

Car Train

Boat 2 4 68 101214 16182022

DataInvestigation

Let’sinvestigate!

Whatareour favouriteholidays?

Pickfourholidays.Findoutwhatpeopleprefer.Recordtheirchoicesusing thetallychartandblock graph.

1. Ithink thatthemostpopularholidaywillbe .

2. Ithink thattheleastpopularholidaywillbe .

Holiday:

Tally:

Total:

Title:

Key:

= people

Mostpopular=

Let’stalk!

Leastpopular=

Tellyourpartnersentencesbasedonthedataintheblock graph.

103 Unit 16: Data2. Day 4, Lesson 4

MeasuringArea

Tocoveryourdesk,howmanyof eachunitisneeded?

4. Other:

Estimateandmeasure theareainplayingcardsof threeotherobjects.

Let’stalk! Whoiscorrect,LexiorDara?

Couldtheybothbecorrect?

Explainwhy.

Imeasuredtheareaof abook,anditmeasured 18piecesofcard.

Imeasuredthesame book,anditmeasured 20piecesofcard.

Trythis! Miadoesnothaveenoughplayingcardstomeasurethearea. Whatisthetotalamountof cardsneededto filleacharea?

1. 2.

104 Unit 17: Measuring3. Day 1, Lesson 1 Unit 17 Digital Resources

Units Estimate Measure Difference

Areainof: Estimate Measure Difference

1. 2. 3.

CountingandComparingSquareUnits

Theplayground

1. Work outthearea.

A= squnits

B= squnits

C= squnits

D= squnits

E= squnits

F= squnits

2. Use<,>or=:A BC

Look atthegeoboardshapesand fillintheanswers.

1. Theshapewiththegreatest areais

2. Twoshapeswiththesame areaare and

3. Fistwicetheareaof

4. Eis 1 2 theareaof .

Let’stalk!

Doyouthink Mia’sgeoboardshape isasquareorarectangle?

Trythis!

1. Work outthearea.

A= squnitsB= squnits

C= squnitsD= squnits

2. hasthegreatestarea.

105 Unit 17: Measuring3. Day 2, Lesson 2

A B C D E F A B C D E F G H A B C D

4. Other:

Mathseyes

Findanddrawitemsthathave…

anareagreaterthana squaremetre anarealessthana squaremetre anareathesameasa squaremetre

Trythis!

Writetheareaof…

1. thewholecarpark (greyarea): sqm

2. thedisabledcarparkingspace: sqm

3. theothercarparkingspaces: sqm

=1sqm

106 Unit 17: Measuring3. Days 3and4, Lesson 3

itinasquaremetre? Units Estimate Measure Difference

SquareMetres Howmany f

1. 2. 3.

Whichtwoabovearenotequal?Completethisnumbersentence:

Writeanamounttomakeeachnumbersentencetrue.Check your answers,usingtheand.

Trythis! Writeyourownnumbersentencesthataretrue.

107 Unit18: NumberSentences. Day 1, Lesson 1 Unit18 Digital Resources EqualorNotEqual Usea and .Matchthosethatareequal. 30−11 19+3 13+ 510+10−1 14 + 630−7 25− 4 12+5+3 11+11 22− 4

≠ Writethecorrectsymbol: = or ≠. 1. 13 13 2. 17 71 3. 19+ 4 194 4. 17 9+6 5. 3+18 13+8 6. 25 30–5 7. 49−8 47−6 8. 26+6 32+ 4 9. 30+7 37−7

1. 19+6= 2. 16+ 4 = 3. 22=15+ 4. =15+16 5. 17+8= +16 6. 36−5=21+ 7. 40−8= +5 8. 24 +6= −5 9. =12+18–7

Writeanamount(lessthan20)tomakeeachnumbersentence true.Check youranswers,usingtheand.

Trythis!

2. Writethesmallestpossiblenumbertomakeeachof thesetrue.

108 Unit18: NumberSentences. Day 2, Lesson 2

Usea and .Writethemissingnumbersandsymbols. 1. 2. 3. 12 < 15 4. 5. 6. Writethecorrectsymbol:<or>. 1. 14 4 2. 12 21 3. 16+5 165 4. 18 8+1 5. 21+8 2+18 6. 22 30–2 7. 27+7 34 +2 8. 27–6 26–7 9. 30+9 39−9

ComparingAmounts

1. 9> 2. 10< 3. >13 4. <14 5. 3+ 4 < 6. 5+6> 7. <8+3 8. >9+8 9. 11>2+ 10. 10<6+ 11. 12+5>6+ 12. 9+ <9+7

(a) 12> (b) <15 (c) 7+6>

Writethegreatestpossiblenumbertomakeeachof thesetrue.

(d) <9+5

(a)

11< (b) >16 (c) 3+7< (d) >7+8

Completethesenumbersentences.

D Let’stalk!

Whatstrategiesdidyouusetosolvethenumber sentencesabove?

Whattipscouldyougivea friend?

109 Unit18: NumberSentences. Day 3, Lesson 3

Picture PuzzleNumberSentences

1. 1 + 1 =2 2. + =6 + 1 = 4 + =7 + =7 +=9 + = + =

1. +=10 2. +=12 ++=15 +=13 +=8 −=1 −= −=

1. ++=18 2. ++=27 ++=12 ++=30 +−=8 = ++= −+=

NumberlessStories

Foreachnumberstory,choosesuitabletwo-digitnumbers, writeaquestion,andthen…Buildit!Sketchit!Writeit!

1. Thereare childrenontheclimbers. childrenleave. Howmany

Buildit! Usematerials. Sketchit!

123

Writeanumber sentence.

2. Thereare childrenattheslides. moreareattheswings. Howmany

Buildit! Usematerials. Sketchit!

123

Writeanumber sentence.

3. Thereare childrenintheplayground. leave arrive. Howmany

Buildit! Usematerials. Sketchit!

Writeanumber sentence.

Mathseyes

Look around!Usewhatyoucanseetocreateyourownwordproblem. Swapwithapartner,andask themtosolveit.

110 Unit18: NumberSentences. Day 4, Lesson 4

Trythis! Fillinthemissingdigitstomake thesetrue. UseBuildit!Sketchit!Writeit!toproveyouranswer.

111 Unit 19: AdditionandSubtraction4. Day 1, Lesson 1 Unit 19 Digital Resources

1. 132+ 45= 2. 105+23= 3. 31+116=

1. 149–37= 2. 136–101= 3. 138–125=

1. HTO 2. HTO 3. HTO 4. HTO 5. HTO 6. HTO 1 4 01 03121 4 86 51 55 +26+71+ 152 +31+ 122+ 4 3 7. HTO 8. HTO 9. HTO 10. HTO 11. HTO 12. HTO 1871 4 31 631 9 61 3915 4 –3 4 –11– 4 3– 125 –1 31– 4 2

HTO HTO HTO HTO HTO

AddingandSubtractingwithin200 Add.

Crossoutcounterstosolvethese.

Usethecolumnmethodtosolvethese.

HTO

1. 14 + 3=165 2. 5 + 3 =198

77−1 4 =13 4. 1 –31= 55 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 100 100 100 100 100 100

Trythis! Iread pagesyesterday.Today,Ihaveread pagesmore.HowmanypageshaveIreadintotal?

Buildit! Usematerials. Sketchit!

123

112 Unit 19: AdditionandSubtraction4. Day 2, Lesson 2

Add.

118+36= 2. 109+15= 3. 67+ 43= Usethecolumnmethodtosolvethese. 1. HTO 2. HTO 3. HTO 4. HTO 5. HTO 6. HTO 1321 4 65 31 671658 4 + 4 5+36+ 4 9+17+28+5 4 7. HTO 8. HTO 9. HTO 10. HTO 11. HTO 12. HTO 85103181 4 86 51 55 +6 4 +77+ 152 +39+ 125+ 4 8 HTO HTO HTO

AddingwithRenaming

SubtractingwithRenaming

Crossoutblockstosolvethese. 1.

Usethecolumnmethodtosolvethese.

Trythis! Completethistomake anumberstorywithrenamingin twocolumns. Dararead pages.Miaread pages. HowmanymorepagesdidDarareadthanMia?

Buildit! Usematerials. Sketchit!

Writeit!

113 Unit 19: AdditionandSubtraction4. Day 2, Lesson 2

133–26= 2. 130–19= 3. 102–65=

1. HTO 2. HTO 3. HTO 4. HTO 5. HTO 6. HTO 180186178167159101 –62–63–1 4 9–89–90–88 7. HTO 8. HTO 9. HTO 10. HTO 11. HTO 12. HTO 1 4 21 501981611851 4 7 –85–19–6 4 –73– 157 –1 29

107

SummerTime

Let’stalk!

Agroupof peoplewereaskedwhatistheir favourite summerholidaydestination.Theseweretheirchoices:

Title: Favouritesummerholidaydestinations

Italy

Spain

France

Portugal

Greece

51015202530

Makeupsentencesaboutthegraph.Usethe followingwords:

mostpopularleastpopularequallypopularhalf twice

Whomightbeinterestedinthisinformation?

Whatstrategiescouldyouuseto findouthowmanypeoplewere inthegroup?

Look whatisinsideeachmoneybox!Writethevalueof eachrow.

114 Review5

2. (a) c (a) € (b) c (b) € (c) c (c) €

c (d) €

c (e) €

(d)

(e)

Trythis! Look atactivity

1. Howmuchistherealtogetherinmoneybox1?€ .

2. Howmuchistherealtogetherinmoneybox2?€

Thepool

1. Work outthearea. A= squnitsB= squnits C= squnitsD= squnits

2. Use>,<or=.A BB C

D Writethetotalnumberof pageseachpersonreadontheirholidays.

Week 1143pages111pages100pages89pages

Week 228pages67pages99pages55pages

Total: Howmanymorepagesdoestheboyneed toreadto finishhis200-pagebook?

Let’screate!

Writethreequestions foryourpartner inyourcopybasedonthissign.

Example: Whatisthecheapestitem?

115 Review5

C DB D

[MAM-2-R1-007]Label thesectionsAtoDas onp.105] A B C D PoolsideShop €1.00 €1.20 €1.15 80c €5.00 €6.00 €9.00

STEMChallengesandInvestigations

DesignandMakeCycle

1. Explore Think aboutwhatyoucoulddesignandmakeasasolution.

● Whatdoyouneedtodo?

● Look attheavailablematerials.Whatwillyouuse?

● Howwillyoudoit?

2. Plan Plananddesignyoursolution.

● Drawitout.

● Writealistof whatwillbeneeded.

● Discussitwithyourgroupandexplainyourreasons.

3. Make Usingtheplanandcriteria,makeorbuildyoursolution.

4. Evaluate Testyoursolution.

● Doesitsatisfythecriteria?

● Howwelldoesitwork?

● Howcoulditbeimproved?

Designandmakearamp.

Criteria: Thelengthmustbebetween50cmand 100cm.Itmustbestrongenoughandwideenough for atoycar(max:3cmwideand8cmlong)totravelonit. Itmustbemade fromjunk materials.

1. Explore 2. Plan 3. Make 4. Evaluate

Let’sinvestigate!

Look atDara,MiaandLexi.

Ithinkthecarwillgo fartherifwemake theramphigher.

Whatdoyouthink?

Howcouldyouinvestigatethis?

Ithinkthecarwillgofarther ifwemaketheramplower.

Idon’tthink itmakes a difference.

UsetheInvestigationPlanningSheet(PCM3)tohelpyou.

116 Let’s TryMore:STEMChallengesandInvestigations

PCM 3

Designandmakeabridge.

Criteria: Thelengthmustbebetween30cmand50cm. Itmustbestrongenoughtoholda 1 4 kgweightplaced atitscentre.Itmustbemade fromjunk materials.

1. Explore 2. Plan 3. Make 4. Evaluate

D Let’sinvestigate! Whichballisthebounciest?

Look atDara,MiaandLexi.

Ithinkthe smallestballwill bethebounciest.

Ithinkthelightestball willbethebounciest.

Ithinkit’snot aboutweight orsize,but somethingelse.

Whatdoyouthink?Howcouldyouinvestigatethis?

UsetheInvestigationPlanningSheet(PCM3)tohelpyou.

Designandmakeamazeoranobstaclecourse forabot.

Criteria: Thebotmustbeabletoenterthemazeonone sideandexititonanotherside.Thebotmustbeableto turnatleasttwicebetweentheentranceandtheexit. Thepathsmustbewideenough forthebot.(Hint:For everymove,mostbotsneedaspaceof 15cmby15cm).

1. Explore 2. Plan 3. Make 4. Evaluate

Let’sinvestigate!

Work outthedirectionstogetthebotthroughthemazeorobstacle course.Istheremorethanonewaytodothis?If yes,whatisthemost efficientway(usingtheleastdirections)?

Challenge: Thebotmusttravelbackwardsalltheway fromthe entrancetotheexit!Writethedirections.

117 Let’s TryMore:STEMChallengesandInvestigations

PCM 3

Let’splay!

Oddsand Evens

Numberof players: 2

Youwillneed: mini-whiteboardandmarkerperplayer,onediceora1−6 spinner,pencilandpaperclip

● OneplayerisnamedODDandtheotherisnamedEVEN.(Theperson whosebirthdayisnextcanchoose.)

● ODDshouldthrowthediceorspinthespinner.If thenumberisodd, theyscoreapoint.If thenumberiseven,theygetnothing.

● EVENshouldthenthrowthediceorspinthespinner.If thenumberis even,theyscoreapoint.If thenumberisodd,theygetnothing.

● Thewinneristheplayerwiththehighestscoreaftertenturnsorwhen thetimeisup.

Oddsand Evens Totals

Numberof players: 2

Youwillneed: mini-whiteboardandmarkerperplayer,twodiceora1−6 spinner,pencilandpaperclip

● OneplayerisnamedODDandtheotherisnamedEVEN.(Theperson whosebirthdayisnextcanchoose.)

● ODDshouldthrowbothdiceorspinthespinnertwice,andtotalthe numbers.If thetotalisodd,they keepthatscore.If thetotaliseven, theygetnothing.

● EVENshouldthenthrowbothdiceorspinthespinnertwice.If thetotal iseven,they keepthatscore.If thetotalisodd,theygetnothing.

● Thewinneristheplayerwiththehighestscoreaftertenturnsorwhen thetimeisup.

118 Let’s TryMore:Let’sPlay

Pig

Numberof players: 2−6

Youwillneed: mini-whiteboardandmarkerperplayer,twodiceora1−6 spinner,pencilandpaperclip

● Eachplayer,inturn,shouldthrowbothdiceorspinthespinnertwice, andtotalthenumbers.

● Aplayercan keepthrowing/spinningandtotallinguntiltheydecideto stop.Theyshouldwritedownthetotalandaddittotheirscore from previousrounds.

● Butif aplayerthrows/spinsa1,theyscore0 forthatround,anditisthe nextplayer’sturn.

● Evenworse,if aplayerthrows/spinstwo1s,notonlydoestheirturnend, buttheirentirescorereturnsto0!

● Thewinneristheplayerwiththehighestscorewhenthetimeisup.

ChanceCalculations−AddingOnes

Numberof players: 2−6

Youwillneed: mini-whiteboardandmarkerperplayer,0−9spinner,pencil andpaperclip

● Eachplayershoulddrawtheseboxes foracalculation ontheirmini-whiteboard.

● If youspina0inthisgame,youcanspinagain.

● Eachplayer,inturn,shouldspinthespinner,andwritethe numberintooneof theirboxes.

● Whenalltheirboxesare full,theplayersmustcalculatetheirtotal.

● Theplayerwiththegreatesttotal/answerscoresapoint.

● Thewinneristheplayerwiththehighestscorewhenthetimeisup.

Variations

● Draw fourboxesandspin for fourdigitstomaketwo two-digitnumbers.

● Makethreetwo-digitnumbers, usingsixboxesandsixdigits.

119 Let’s TryMore:Let’sPlay

End-of-yearChallenge

Inpairs,chooseatask belowandplanhowtocompleteit.

UseBuildit!Sketchit!Writeit!toshowatleastonewaytodothis.

Afterwards:

● Explainwhyyoudiditthisway.

● Compareyourplanwiththatof others.

● Canyouprovethatyourplanisthebestone?

Schooltour

● Yourclassisgoingbowling.

● Organisethechildrenintogroups.

● Eachbowlinglanemusthave five or fewerchildren.

● If thereareboysandgirlsinyour class,thereshouldbeamixof boysandgirlsoneachlane.

● Nolaneshouldhaveonlyonegirl oronlyoneboy.

● Howmanylaneswillyouneedtobook?

Party

● Youareplanninganend-of-year classparty.

● Thereare24 childrenintheclass.

● Youhaveabudgetof €70to spendondrinks,chipsandpizza.

● Showhowyouwouldplanto spendthemoney.

1largedrink (2litres)costs€3.

1largechipscosts€5.

1largepizza(10slices)costs€9.

120 Let’s TryMore:End-of-yearChallenge

123

MyMaths FactFile

Number(seeUnits1,2,3,7,8,12and19)

Place value

1ten= ones

1hundred= tens

Evennumbers

Whatisthesameaboutalloftheevennumbers?

Whatisthesameaboutalloftheoddnumbers?

Inoticethatall oftheanswersto thedoublesare numbers.

Inoticethatallof theanswerstothe neardoublesare numbers.

121 MyMathsFactFile

Doubles Neardoubles 1+1= 2+2= 3+3= 4 + 4 = 5+5= 6+6= 7+7= 8+8= 9+9= 10+10= 1+2= 2+3= 3+ 4 = 4 +5= 5+6= 6+7= 7+8= 8+9= 9+10= 10+11=

Oddnumbers

10 10 10 10 10 10 10 10 10 10

Symbols

meansadd,plus

meanssubtract,takeaway,minus meansisthesameasorisequalto meanslessthan meansgreaterthan

MyMathsFactFile

Numberbondsof 100 +100=100 + 40=100 +80=100 +30=100 +10=100 Fractions 1whole 1 1half 1quarter quarters 3quarters 1= 2 = 4 4 1 2 = 4 100 40 80 30 10 1whole 1 4 1 2 1 2 1 4 1 4 1 4 2 4 2 4 1 Whatsymbolsare missinghere? 03 2 1 1 2 1 2 1 1 4 1 4 1 3 4 1 122 ©TheEducationalCompanyofIreland

Thisisa pattern. Thecoreofthepatternisred,green,yellow,green.

Thisisa pattern.Thepatternis getting eachtimeby .

Whatpatternsdothe shapesshow?

Thenumberswitha aremultiplesof .

Continuetheshapesto showallthemultiplesin eachpatternupto100.

Doyouseeother patterns?Chooseaway toshowthem.

MyMathsFactFile Algebra(seeUnits11and18)

Patternsonthe100square 123 4 56789 10 11121314 151617181920 21222324 252627282930 31323334 3536373839 40 41 42 43 4445 46 47 48 4950 51525354 555657585960 61626364 656667686970 71727374 757677787980 81828384 858687888990 91929394 9596979899100

Patterns

Oneweek has days.

April,June,September andNovemberhave days.

Februaryhas or days.

Allof theothermonths have days.

MyMathsFactFile Measures(seeUnits5,10,13,14 and15) Time analogue digital sandtimer stopwatch sundialcalendar

MonTueThurSat 12 3 4 56 7 81011 1314 1617 19212224 25 27293031 o’clock half past 1 2 past ___ quarterpast 1 4 past ___ quarterto 1 4 to ___

August

oneminute= seconds onehour= minutes oneday= hours 1 2 hour= minutes 1 4 hour= minutes 100 30 15 45 124 ©TheEducationalCompanyofIreland

Measuring

100cm= m

100centimetres= metre

MyMathsFactFile

1litre= l+ 1 2 l= 1 4 l+ l+ l+ l 1kg= 1 2 kg+ kg= kg+ 1 4 kg+ kg+ 1 4 kg Money c c c c c c € € € € € € FLOUR 1kg SUGAR kg 1 2 SUGAR kg 1 2 == = = cm 125 = = =

2-Dshapes

Howmany…

3-Dshapes

Howmany…

MyMathsFactFile ShapeandSpace(seeUnits6and9)

Name curved sides? straight sides? vertices? parallelogram 044 semi-circle 110 hexagon 066

Name

curved surfaces? flat faces? curved edges? straight edges? vertices?

streetviewaerialview Turns

forwards turnrightturn

fullturnclockwise

turnanticlockwise

turnclockwise

turnanticlockwise

Whatmove?

Howwaseachpentominomoved?Writethecorrectword foreach. slideturn flip

MyMathsFactFile Locationand Transformation(seeUnit9)

Differentviews

127

MyMathsFactFile Data(seeUnits 4 and16)

Our favouriteseasons Tally Total Spring ________ 11 Autumn ________ 6 Block graph Title: Spring Summer Autumn 123 4 56789 101112 Our favourite 128 ©TheEducationalCompanyofIreland

Tallychart