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Column Subtraction Teacher, after the Audio Programme, let the children solve the exercises which were dictated to them. (see box) Let them work by themselves but help those who may have difficulties. Length: Measuring in dm and cm 8 min Teacher, let a child stand with his/her arms stretched out in front of the chalkboard. From the string, cut to the length of the stretch. Show the class the cut out length of string. Have a child use a metre rule to measure the stretch in dm and cm. Let him tell the class the length of the stretch. Ask the class to write it. • Repeat using the stretch of another child. Ask the children to say, which of the two children has the longer stretch.
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IRl Mathematics Grade 3 — "ADVENTURING WITH NUMBERS"
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MATHEMATICS CONTENT Month 8 109to128) Listof Topics(Lessons:
Additionof fractions , Ab/c+bic. Additionof fractionsa bic+ d eic(b+e<c). Additionof fractions , a bic+ delc(b+e>c). alb-cib (a>b). S ubtractionof fractions, Subtractionof fractions, alb -clb (a>b).
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MATHEMATICS CONTENT
Month 7 List of Topics (Lessons: 93-108)
Month 8 List of Topics (Lessons: 109 to 128 )
Oral subtraction, M-b (M< 10) (with zeros). Oral subtraction, ab-a0.
Oral Division
Oral Multiplication
Column Multiplication
Column Division
RS (1)
Equivalence
Oral division, concept, quotient=0,1; divisor 1=1. Oral division, concept, quotient= 1. Oral division, quotient=0. Oral division, use of subtraction, large combinations Oral division, quotient1= 0,1 divisori=1. Oral division, quotient1=0, divisor 1=1.
Oral multiplication, memorize axb. Oral multiplication, memorize axb (a=0, 1..9, b=0, 1..9). Oral multiplication, concept of ax0.
Column multiplication, 2 columns, carry b (b> 1) one time. Column multiplication, 2 columns with zero in the multiplication, without carry. Column multiplication, 3 columns with zero in the multiplication, without carry. Column multiplication. 4 c dumns carry b (b> 1) once. Column multiplication. 4 cdumns carry b (b> 1) up to t hree times. Column multiplication, 3 columns, carry b (b> 1) up to 2 times.
Column division, complete algorithm (1,2):- (1)=(1)+R. Column division, (1,2):-(1) + R. Small combinations. Column division, ( 1,2):-(1)=(1). Column division, complete algorithm (1,2) :- ( 1)=( 1)+R, small combinations.
Oral division, concept of quotient1=0, 1, divisor 1= 1. Oral division, concept of quotient =1. Oral division, use tables up to 9x 9.
Oral multiplication, memorize axb (a=0, 1..9, b=0, 1..9). Oral multiplication, memorize axb Oral multiplication, ax 10. Oral multiplication, ax 10, 10xa. Oral multiplication, concept of ax0. Oral multiplication, memorize axb (a=0, 1..9; b=1). Oral multiplication, axbxc (axb<9)
Column multiplication, 2 columns, zero in multiplicand without carry. Column multiplication, 3 columns, zero in multiplicand without carry. Column multiplication, 3 columns, carry b (b>a) up to twice. Column multiplication, 4 columns, carry b (b>a) up to three times. Column multiplication, 4 columns, zero in the multiplicand without carry.
Column division, complete algorithm ( 1,2):-(1)=(1)+R. Small combinations. Column division, use tables up to 9x9. Column division, complete algorithm ( 1,2):-(1)=(1)+R, large combinations Column division, (1,2):-(1)=(1). Column division, (1,2):-(1)=(1),Iarge combinations. Column division, zero in the quotient.
Concept of area. Equivalence of a and a.0.
IRI Mathematics Gra de 3 â&#x20AC;&#x201D; "ADVENTURING WITH NUMBERS"
Equivalence of a and a.0.
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Capacity
Cn ET Z7.) = c—) cn
Money: Coinsand Bills
Usingnetsof cylinderstomakecyl inders . Recognisingpropertiesof the triangle based pyramid. Calcul atingperimetersof quadril ateralsandpentagons . Measuringin dmandcm, inmand cm, incma nd mm. Meas uringtoshow that1/2litre= 500 ml. Howmany milliliters thereare in 1 litre, 11/2litres, 2 l itres, 2 1/2litres, 3 litres. Solveverbalproblems: Deciding howtosdve theprobleme.g. shouldweaddor subtract.
Equivalence: Verbal problems. e.gMary has 9 $1 coins, four$5 coinsandtwo$10coins. Shewants to buyamango for$35 andpay for itwith the coinsshe hasso thatshe doesnot receivechange. Identify anequivalentamount for$35 i ncoi ns. Readi ng bargraphs. Collecting information. Representinginformationonatable. Readi nga tableshowing i nformation.
IRI Mathematics Grade 3 — "ADVENTURING WITHNUMBERS"
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Month 7 (see IRIcalendar) Month8(see IR! calendar) Listof Topics(Lessons: 93to 108) Listof Topics(Lessons: 109 to 128) Division tabl es from division byoneuptodivisionby10. Multiplicationtablesup to 9 times. Horizontalmultiplication:axb \ cwherea, b, c 9. Col umnsubtraction: 4 cd umns: takefrom10 e.g. 2104 - 17 Columnsubtraction: decimals: 3 or 4 col umns: take fromb where e.g: 43.2 22.2 - 6.7 - 5.5
1,
Recognisingpropertiesofthesquarebasedpyramid.
Orderingcontainersaccordingtocapacity. Verbal problems involvingaddition, subtraction, multiplicationand division. Measuring inmillilitres. Solvi ngverbalproblems: e.g. shouldwemultiplyor divide. Stati ng if theanswer is l ess thanormore thanagivenunit.
Recognisingapiechart asshowi ng i nformation inacircle. Readingapiechart.
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Length
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Perimeter
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MATHEMATICS CONTENT Computation
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