Nelson international maths workbook 3 answers

Page 1

Nelson International Mathematics Workbook

Name:

2nd edition


Contents Number title Task done Page

Task done

Page

Place value to 100

4

Number machines

24

Place value to 1000

5

Making 100

25

More place value

6

Find the total

26

Spot the mistake

7

Time trials

27

Placing numbers on a number line

8

Estimate and measure in metres

28

Ordering numbers

9

Measure and draw

29

Comparing numbers

10

Rounding numbers

30

Faces, edges and vertices

11

Estimating

31

Investigating 3D shapes

12

Time in minutes

32

Telling and showing time

33 34

Investigating 3D shapes continued

13

Build your own cube

14

More telling and showing time

Counting on and back

15

Estimating time

35

More counting

16

Calendars and dates

36

Number machines

17

Revise multiplication and division

37

Tables, ×2, ×5, ×10

38

Find the multiples

39

The ×3 table

40

Multiplication patterns

41

Reading scales

42

Counting patterns to 1000 18 Shapes on doors

19

Classify 2D shapes

20

Alphabet symmetry

21

Symmetry

22

Making twenties

23


Number title Contents Task done Page

Task done

Page

More reading scales

43

Money amounts

63

Making equal groups

44

Making $1.00

64

Division facts

45

Money problems

65

Clockwise and anti-clockwise turns

66 67

Division with some left over 46 Make a table

47

Investigating mini-beasts found in different places

48

More about clockwise and anti-clockwise

Venn diagrams

49

Position

68

Carroll diagrams

50

Position on a grid

69

Carroll diagrams continued 51

Mixed numbers

70

Fractions

52

Mixed numbers on a number line

71

More fractions of shapes

53 More mixed numbers

72

Fractions of amounts

54 Drawing symbols

73

Colour the fraction

55

Measuring capacity

56

Favourite flavours

74

Making 1 litre

57

More sorting data

75

Adding patterns

58

More bar charts

76

Rounding and estimating

59

Sandwich survey

77

Check the answers

60

Another bar chart

78

Marking right angles

61

Multiplying by 10

79

Classifying shapes

62

Doubling and halving

80


Place value to 100 Complete the table. Amount

Tens and units

5 ______ 5 units ______ 5 tens ______ 9 units ______ 7 tens ______ 4 units ______ 7 tens ______ 5 units ______ 4 tens ______ 7 units 8 tens ______ ______ 3 units ______ 8 tens ______ 9 units 9 tens ______ ______ 6 units ______ tens

Numeral

55 59 74 75 47 83 89 96

Number name

fiftyfive fiftynine seventyfour seventyfive fortyseven eightythree eightynine ninetysix see Student Book page 5

4


Place value to 1000 Complete the table. Arrow cards

Hundreds, tens and units

Numeral and number name

1 ______ 4 tens ______ 3 units 2 hundreds ______ ______ 3 tens ______ 2 units 5 hundreds ______ ______ 1 tens ______ 0 units

143 one hundred and forty-three

______ hundreds

1

2

5

4

3

1

3

2

0

2

2

1

3

2

4

2

2

314 three hundred and fourteen

4 ______ 0 tens ______ 9 units

409 four hundred and nine

______ hundreds

4

0

9

510 five hundred and ten

3 ______ 1 tens ______ 4 units 2 hundreds ______ ______ 3 tens ______ 2 units 2 hundreds ______ ______ 2 tens ______ 2 units ______ hundreds

3

232 two hundred and thirty-two

232 two hundred and thirty-two 222 two hundred and twenty-two

see Student Book page 6 5


More place value h

t

u

h

253

t

u

You can use dots to show numbers on a place value chart. Also, remember that: 253 > 153

153

153 < 253 Draw dots to show each number. Fill in < or > in the number sentences.

1

h

t

u

h

117

2

h

t

h

t

927

u

117

<

137

137

>

117

530

>

503

503

<

530

927

<

972

972

>

927

137

u

h

530

3

t

t

u

503

u

h

t

u

972

see Student Book page 7 6


Spot the mistake Some of these values are the wrong hundreds, tens or units. Put a tick ( ) next to the correct ones. Write the correct value for those that are wrong.

1

2 5 2 _ 7

200

20

6 4 2 _

4

3

2

5 4 _ 3 0

400

900

90

6 9 _ 3

3

70

700

9

20

8 _ 4 6

11 7 6 3 _

_7 4 3

1 2 _ 7

10

800

6

8

90

80

8 9 _ 6

7

8 _ 7 1

80

800

12 5 _ 2 1

500

1 _ 0 0 0

100

1000

see Student Book page 8 7


Placing numbers on a number line 1

Fill in the missing numbers on each of these number lines.

200

300

400

a

b

500

600

c 700

800

d 600

e 800

700

900 g

h

500

510

f 450

460

470

480

490

i 90

2

100

110

900

120

130

140

j

k

150

160

170

Only two numbers are shown on each of these number lines. Write what you think the other marks represent on each number line. Tell your partner how you decided what the marks represented.

Possible answers are:

350

400

500

400

450

500

190

180

235

300

245

255

550

200 265

275

210

285

295 see Student Book page 9

8


Ordering numbers 1

Colour the largest number in each set.

a

134 234 334

b

876 786 678

c

987 789 879

d

425 542 524

2

Colour the smallest number in each set.

a

432 342 234

b

564 456 645

c

231 123 132

d

279 297 207

3

Write the numbers in order from smallest to largest. 179

366 529

107

201

507

963

107 179 201 366 507 529 963

________ ________ ________ ________ ________ ________ ________

4

Write the numbers in order from largest to smallest. 987

900

978

943

956

999

988

999 988 987 978 956 943 900

________ ________ ________ ________ ________ ________ ________

5

This is a 200 to 300 number line marked in tens.

200

210

250 260

280 290

300

Write these numbers in the correct position on the number line. 290

250

280

210

260

see Student Book page 10 9


Comparing numbers Use the three digits.

7

Write the largest number you can make.

2 3 1 3

7 6 1

5

9 5 8

7

4 6 5

tens

units

7

5

1

hundreds

tens

units

1

5

7

5 1

Write the smallest number you can make.

1

hundreds

hundreds

tens

units

3

2

1

hundreds

tens

units

1

2

3

hundreds

tens

units

7

6

1

hundreds

tens

units

1

6

7

hundreds

tens

units

9

8

5

hundreds

tens

units

5

8

9

hundreds

tens

units

6

5

4

hundreds

tens

units

4

5

6

2

1 8 5 4

7 9 8

6

3 4 7

8

5 1 1

hundreds

tens

units

8

5

1

hundreds

tens

units

1

5

8

hundreds

tens

units

9

8

7

hundreds

tens

units

7

8

9

hundreds

tens

units

7

4

3

hundreds

tens

units

3

4

7

hundreds

tens

units

5

1

1

hundreds

tens

units

1

1

5

see Student Book page 11 10


Faces, edges and vertices Write the correct name for each shape. Choose the names from the box. cylinder

triangular prism

sphere

triangular-based pyramid

cuboid

cube

square-based pyramid

Write the number of faces, edges and vertices. Name

Number of faces

Number of edges

Number of vertices

8

12

12

8

12

12

triangular-prism

5

9

6

cylinder

3

2

0

5

8

5

4

6

4

1

0

0

cube

___________________________

cuboid

___________________________

___________________________

___________________________

square-based ___________________________ pyramid trianglar-based ___________________________ pyramid sphere

___________________________

see Student Book page 13 11


Investigating 3D shapes Samantha used these shapes to make a model.

1

Colour each shape a different colour. Write the correct name of each shape.

cylinder

2

sphere

______________________

cone

______________________

______________________

______________________

triangular-prism ______________________

______________________

pyramid

cuboid

This is Samantha’s model. Colour the shapes in the model to match your coloured shapes.

see Student Book page 14 12


Investigating 3D shapes continued 3

Count how many there are of each shape. Complete this table. Shape Cylinder Sphere Pyramid Triangular prism Cone Cuboid

4

Number used

11 3 2 6 7 9

Write the answers to these questions.

7 What did she use the pyramids for? ______________________ roofs What shapes are the houses made from? ______________________ cuboids and ____________________________________________________________________ triangular-prisms Which shape did Samantha use most often? __________________ cylinder Which shape did Samantha use least often? __________________ pyramid

a How many cones did Samantha use? ______________________ b c

d e

f She used three cylinders for lamp-posts. What else did she use cylinders for? ____________________________

silos, water tank and legs

5

Draw three buildings from your area on a sheet of paper. What shapes can you see in them?

own work

____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ see Student Book page 14 13


Build your own cube Trace or copy this net onto thin card. Cut the net out. Fold the net along the dotted lines to make your cube. Use the tabs to glue the faces together.

own work

see Student Book page 15 14


Counting on and back 1 a

c

2

Fill in the missing numbers on the number lines.

12

13

14 _

15

47

46

45 _

44

b

d

29 _ 30 _

27

28

97

96 _

95

94 _

Fill in the missing numbers in each column. The number after

The number before

The number between

23, ______ 24

______ 12 , 13

9, ______ 10 , 11

34, ______ 35

______ 18 , 19

20, ______ 21 , 22

36, ______ 37

______ 30 , 31

35, ______ 36 , 37

49, ______ 50

______ 45 , 46

75, ______ 76 , 77

55, ______ 56

______ 46 , 47

49, ______ 50 , 51

69 68, ______

52 , 53 ______

99 , 100 98, ______

72 71, ______

68 , 69 ______

98 , 97 99, ______

77, ______ 78

______ 70 , 71

56, ______ 55 , 54

80 79, ______

87 , 88 ______

34 , 33 35, ______

83, ______ 84

______ 89 , 90

21, ______ 20 , 19

90, ______ 91

______ 91 , 92

35, ______ 34 , 33

99, ______ 100

______ 99 , 100

2, ______ 1 ,0

see Student Book page 16 15


More counting

1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

Colour blue the numbers that are 10 more than: 33 48 50 35 40 60 49 89 90 85

2

Colour yellow the numbers that are 10 less than: 58 40 76 57 99 100 62 12 20 35

3

Fill in the missing numbers in each set.

42 52 62 72 82 55 , _______ 65 , _______ 75 , _______ 85 , _______ 95 25, 35, 45, _______ 60 , _______ 50 , _______ 40 , _______ 30 , _______ 20 90, 80, 70, _______ 65 , _______ 55 , _______ 45 , _______ 35 , _______ 25 95, 85, 75, _______ 56 , _______ 46 , _______ 36 , _______ 26 , _______ 16 86, 76, 66, _______ 69 , _______ 59 , _______ 49 , _______ 39 , _______ 29 99, 89, 79, _______

a 12, 22, 32, _______ , _______ , _______ , _______ , _______ b c d e f

see Student Book page 17 16


Number machines Complete the number machines.

1 27

2 in

out +1

49

98

28

67

50

85

99

12

3 14

in

out –1

in

out

521

13

42

28

207

750 421

–100

in

out +100

585

6 741

in

605

out

131 595

–10

390

600

7

142 307

400

700

25

22

76

5

460

77 95

+10

485

77

388

out

4

29

850

in

8 in

out +100

488

199

560

428

125

539

in

out –1

198 427

538

see Student Book page 18 17


Counting patterns to 1000 1

Fill in the missing numbers.

a

703

b

c

704

705

499

500

501

797

796

795

803

804

805

997

996

d

e

2

995

Write in the numbers to complete the table. Start with the given number each time. 1 less than

Number

1 more than

100 more than

439 578 638 293 877 699

440

441 580 640 295 879 701

540 679 739 394 978 800

579 639 294 878 700

see Student Book page 19 18


Shapes on doors 1

Colour the circles red, the triangles green, the squares yellow and the rectangles blue.

2

Write how many there are of each shape.

a

1

_____ circles

b

6 0 squares _____ 2 rectangles (or 3) _____

0 _____ 0 squares 3 rectangles _____ _____ triangles

c

1 _____ 2 circles

1

_____ triangles

d

4

5

_____ triangles

0 1 rectangles _____

5 1 rectangles _____

_____ squares

a

2

_____ circles

_____ triangles

3

0

_____ circles

_____ squares

Draw two doors of your own. Colour the shapes and write how many there are of each. _____ circles

b

own work

_____ circles

_____ triangles

_____ triangles

_____ squares

_____ squares

_____ rectangles

_____ rectangles

_____ other shapes

_____ other shapes

see Student Book page 20 19


Classify 2D shapes Colour the triangles yellow. Colour the quadrilaterals blue. Colour the pentagons red. Colour the hexagons green.

see Student Book page 20 20


Alphabet symmetry Tick the letters that are symmetrical. Draw a line of symmetry on the letters that are symmetrical.

ABCDE F GH I J K L MN O PQR S T U VWX Y Z ✓

✓ ✓

see Student Book page 23 21


Symmetry 1

Complete each diagram so that the shape is symmetrical about the mirror line

2

Shade two more squares in each grid to make a symmetrical pattern.

see Student Book page 23 22


Making twenties Cross out pairs of numbers that make 20. For example: 19 + 1 Each time you cross out a pair, make a tally mark in the table. Add up your tallies to find out how many twenties are in the box. Can you say what all the numbers in the box add up to? 6

16

7

1

13

4

19

15

11

17

5

18

2

17

9

6

5

7

3

12

5

11

15

6

12

4

15

17

5

1

13

18

3

5

19

16

14

14

3

2

8

3

17

5

8

4

15

9

Tally

| 3

1111 11111 11111 11111 1

Number of twenties

21

Work with a partner. • Write ten different addition sums with a total of 19. • Write two subtraction facts that you can work out from each addition sum.

own work see Student Book page 24 23


Number machines Fill in the missing numbers or operations.

1

12

2

7

13 17 _

7

12

3

3

+10

14

9

17

+8

4

7

4

13

_

5

_

37

4

9

+5

6

12 16

0

4 11

_

7

–4

_

15

_

19 14

+6

_ _

11

15

8 _

13

–10

7

12

7

_

47

13

9

2

12 23

_

+5

8

5

2

_

19 11

8

18

_

12

_

20 _

7 –9

3 11

see Student Book page 25 24


Making 100

10

1

20

30

40

50

60

70

80

90

Write the missing numbers.

a 10 +

90

= 100

b 25 +

75

= 100

c 40 +

60 50

= 100

d 35 +

= 100

= 100

f 65 +

65 35

70 20

= 100

h 45 +

= 100

= 100

j 95 +

55 5

e 50 + g 30 + i

2

80 +

e g i

3

4

= 100

85 75 d 100 – 25 = _________ 65 f 100 – 35 = _________ 55 h 100 – 45 = _________ 35 j 100 – 65 = _________

10 20 100 – 80 = _________ 30 100 – 70 = _________ 40 100 – 60 = _________ 50 100 – 50 = _________

b 100 – 15 = _________

Colour pairs of numbers to make 100. Use a different colour for each pair.

0

10

20

30

40

50

60

70

80

90

100

80

0

60

90

70

50

40

10

30

0

20

How many steps of 100 would you take on a number line to get from:

5 10 1000 to 0 _________

a 600 to 100 _________ c

= 100

Write the answers.

a 100 – 90 = _________ c

100

9 5 d 1000 to 500? _________ b 100 to 1000 _________

see Student Book page 27 25


Find the total In a card game, the players have to count the number of points left in their hands when one person is out. How many points would these players have to count?

8

4

4

2

2

7

7

8

9

9

9

9

6

6

10

10

2

34

10

8

8

9

4

9

10

4

9

3

2

9

3

2

6

5

7

7

7

9

9

5

5

A

A

6

5

4

5

10

4

4

5

10

22

4

5

A

18

5

A

3

3

5

3

3

5

6

10

9

25

6

9

10

10

10

10

10

9

9

22

21

7

10

9

10

9

7

10

6

7

10

6

5

3

5

3

1

Complete these addition webs. The total for each set of numbers is in the centre.

17 10

5

8

12

11

17

7

27

6

10

19 15

11

9 3

2

17

3 12

4

9 3

9

31

6

7

7

9

12

13

1

8 8 12

4

11

5 12 6 12

1

8

5

1 1 16 4 2

3

14

4

19 9

7

2

9

5

7

7

5

5

4

9

11

1 5

see Student Book page 28 26


Time trials The total for each number sentence is at the top of each set. Complete the number sentences. Time how long it takes you to finish each set. 10

20

30

35

45

6 14 + _____ 6 4 + _____

2 + 28 _____

19 16 + _____

13 + 19 13 + _____

4 +6 _____

11 + 9 _____

19 11 + _____

9 +9 17 + _____

20 25 + _____

8 10 + _____ 10 2 + _____

14 16 + _____

24 11 + 0 + _____

33 6 + 6 + _____

4 11 + _____ 9 6 + _____

11 19 + _____

25 19 – 9 + _____

30 5 + 10 + _____

7 12 + _____ 8 3 + _____

20 + 10 _____

17 2 + 16 + _____

16 + 13 16 + _____

3 + 7 _____ 3 + 17 _____

2 28 + _____

5 +5 _____

14 10 + 10 + _____ 10 6 + _____

0 10 – _____

27 + 5 30 + _____ 5 + _____ 10 3 + _____ 22 13 + _____

10 + 15 40 – _____

13 7 + _____

1 1 + 4 + _____ 20 6 _____ 15 + 9 + _____

10 35 + _____

9 1 + _____

15 + 5 _____

12 + 3 + 15 _____

19 20 – 4 + _____

24 + 30 39 – _____

1 11 – _____

19 1 + _____

16 7 + 7 + _____

12 19 + 4 + _____

2 + 43 _____

4 14 – _____

14 6 + _____

8 31 – 9 + _____

20 10 + 5 + _____

40 5 + _____

20 – _____ 10 13 + _____ 7

26 + _____ 0 +4

6 + _____ 27 + 2

7 + 7 + _____ 31

___ minutes ___ minutes

_______ minutes

_______ minutes

_______ minutes

___ seconds ___ seconds

_______ seconds

_______ seconds

_______ seconds

see Student Book page 29 27


Estimate and measure in metres Estimate

Measure

skipping rope

___________ metres

own work

___________ metres

notice board

___________ metres

___________ metres

classroom wall

___________ metres

___________ metres

door

___________ metres

___________ metres

_________________________________

___________ metres

___________ metres

_________________________________

___________ metres

___________ metres

What I measured

Estimate

Measure

Difference

see Student Book page 31 28


Measure and draw 1

Measure each path in centimetres. Write the length of each part. Write the total length.

a

b

1

1

3

______ cm + ______ cm

4

6

3

+ ______ cm = ______ cm

8

+ ______ cm = ______ cm

c

d

2

1

2

2

______ cm + ______ cm + ______ cm

4

2

3

______ cm + ______ cm +______ cm

2

9

+ ______ cm = ______ cm

2

2

______ cm + ______ cm

9

+ ______ cm = ______ cm

Add a 2 cm section and a 5 cm section to each path.

a

b

own work c

d

see Student Book page 33 29


Rounding numbers Which number is closest? Circle the best answer.

1

I ate about 200 mosquitoes

146

4

198

250

I ate about 500 mosquitoes

210

475

50

155

36

I ate about 300 mosquitoes

210

5

610

I ate about 100 mosquitoes

7

2

249

328

I ate about 400 mosquitoes

398

8

456

256

301

I ate about 100 mosquitoes

106

6

327

I ate about 300 mosquitoes

187

3

160

201

I ate about 300 mosquitoes

249

9

376

260

I ate about 500 mosquitoes

662

559

530

see Student Book page 36 30


Estimating Estimate how many.

40

50

__________ to __________

50

60

__________ to __________

50

60

__________ to __________ see Student Book page 38 31


Time in minutes Six friends timed how long it took them to get to school each day. Jo

30 minutes

Kelly

45 minutes

Alex

35 minutes

Paul

40 minutes

Laura

25 minutes

Anita

50 minutes

1

Draw a pointer on each timer to show how long each friend took. Jo

Kelly 55 60 5 50

55 60 5 10

45

15

40

20 35

30

50

55 60 5 10

45 40 35

30

55 60 5 45

15

40

20 35

30

25

25

20 35

30

25

Anita

50

55 60 5 10

45

50

15

40 30

10

45

20 35

15

40

55 60 5 10

10

45

20

Laura

50

50

15

25

Paul

2

Alex

15

40

25

20 35

30

25

Write the times in order from longest to shortest.

25 min __________ 30 min __________ 35 min 40 min 45 min 50 min __________ __________ __________ __________ 3

What is the difference between the longest and shortest time?

50 - 25 = 25 min

_________________________________________________

4 5

Anita Laura Who gets to school in the shortest time? _____________________ Who takes the longest to get to school? _____________________

see Student Book page 39 32


Telling and showing time Show the time on both watches. 11 12 1

8 :05

2

10 9

3 4

8 7 6

5

five minutes past eight

1

2 11 12 1 2

10 9

3 4

8 7 6

11 12 1

6 : 15

2

10 9

3 4

8

5

7 6

quarter past six

6 :50

5

ten to seven

3

4 11 12 1 2

10 9

3 4

8 7 6

11 12 1

10:30

2

10 9

3 4

8

5

7 6

half past ten

3 :40

5

twenty to four

5

6 11 12 1 2

10 9

3 4

8 7 6

11 12 1

12 : 25

2

10 9

3 4

8

5

7 6

twenty-five past twelve

7

2 :55

5

five to three

8 11 12 1 2

10 9

3 4

8 7 6

5

quarter to nine

8 :45

11 12 1 2

10 9

3

7 :05

4

8 7 6

5

five past seven see Student Book page 40 33


More telling and showing time Read the time shown on one watch.

11 12 1 9

Show the time on the other watch.

5 :05

2

10

3 4

8 5

7 6

Write the time in words.

five minutes past five

1

2 11 12 1 2

10 9

3 4

8 7 6

11 12 1

3 :00

9 7 6

2

10 9

3 4

8

quarter past four

6 : 55

11 12 1 9

3 4

8 7 6

five to seven

7 :45

2

10

5

5

quarter to eight

__________________________

5

5

__________________________

4

11 12 1

7 6

4

8

__________________________

3

3

5

three oclock

4 : 15

2

10

__________________________

6 11 12 1 2

10 9

3 4

8 7 6

11 12 1

3 :25

9

3 4

8

5

7 6

__________________________ twenty-five past three

7

5:30

2

10

5

half past five

__________________________

8 11 12 1 2

10 9

3 4

8 7 6

8: 10

5

ten past eight

__________________________

11 12 1

12:50

2

10 9

3 4

8 7 6

5

ten to one

__________________________ see Student Book page 40

34


Estimating time You will need a watch or a stopwatch for this activity. Work with a partner.

1

Look at the pictures. Estimate how long each activity would take. Colour the correct block in the table to record your estimate. Do each activity. Time how long it takes you. Tick the boxes with the correct times.

a

b

Put on your shoes.

own work

__________________ d

c

Bounce a ball 20 times.

Walk around the school yard 5 times.

__________________

__________________

e

f

Count backwards from 100 to 0.

Write the numbers from 600 to 800.

Copy 50 words from a book.

__________________

__________________

__________________

Activity a

Put on shoes

b

Bounce a ball

c

Walk around yard

d

Count backwards

e

Write numbers

f

Copy words

Less than 1 minute

1 minute to 5 minutes to 5 minutes 15 minutes

More than 15 minutes

✓ ✓ ✓ ✓ ✓

✓ see Student Book page 41 35


Calendars and dates 1

Fill in the missing information on each calendar. February Mon

6 13

20 27

Tues 7

14 21 28

Wed Thur Fri 2 3 1 8 9 10 16 17 15 22 23 24

Sat 4

11 18 25

Sun 5 12 19 26 Possibly 29 as well

September

2

Sun

1

8

Mon

2

Wed Thur Fri Sat Sun

3

9 10 11 12 13 14

4 5 6 7

15 16 17 18 19 20 21

22 23 24 25 26 27 28

29 30

Use this blank calendar to fill in the correct dates for the present month.

Mon

Tues

Wed

Thurs

Fri

Sat

Sun

own work

see Student Book page 42 36


Revise multiplication and division Complete the number sentences for each picture.

10 10 ÷ 2 = 5

5×2=

2×4= 8÷2=

8 4

4×2= 8÷4=

12 12 ÷ 3 = 4

20 ÷

4

20 =5

16 ÷

8

2×8=

=2

16 ÷

2

=2

3×4= 12 ÷

4

12 =3

20 20 ÷ 5 = 4

20 ÷ 2 =

16

5

5×4=

10 × 2 =

8×2=

10 ÷

10

8 2

4×3=

4×5=

2×5=

20 10

20 20 ÷ 10 = 2 2 × 10 =

16 =8 see Student Book page 44 37


Tables, ×2, ×5, ×10 1

Colour the rest of this pattern to show the 2 times table. Write the answers at the right.

2 4 6

2×1 2×2 2×3 2×4 2×5 2×6 2×7 2×8 2×9 2 × 10 2

8 10 12 14 16 18 20

Use the 1–100 block below.

a Circle all the multiples of 5 in green. b Underline all the multiples of 10. c Colour all the blocks with even numbers in them yellow. 1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99 100

d What do you notice about the patterns? see Student Book page 45 38


Find the multiples 1

2

3

4

Circle the multiples of 2. 18

26

31

44

87

98

121

130

144

188

298

326

225

440

613

618

702

888

768

900

999

Circle the multiples of 5. 28

30

45

60

65

120

132

144

245

502

253

400

405

420

500

509

551

590

595

670

658

Circle the multiples of 10. 70

75

80

88

90

120

132

150

180

200

235

308

400

390

500

510

505

529

550

600

900

Circle the numbers that are both multiples of 2 and multiples of 5. 18

25

20

22

90

60

88

105

120

188

145

160

440

230

312

315

325

330

480

486

485

see Student Book page 46 39


The ×3 table 1

2

3

Complete the table. ×

10

2

4

5

6

7

3

8

1

9

3

30

6

12

15

18

21

9

24

3

27

Complete the table. Number of counters

3

12

18

27

30

15

24

21

6

9

How many groups of 3?

1

4

6

9

10

5

8

7

2

3

Draw lines to match the numbers to the correct answers. ×3

4

÷3

5

3

12

6

9

18

18

4

1

15

21

10

7

21

30

5

6

27

15

7

2

9

9

8

8

6

27

3

3

24

24

9

Achmed waters his vegetables every third day during the month of February. Circle the days on which he will water his garden. How many times does he water during the month?

9 times

40

February 2012 Mon

Tues

Wed Thurs

Fri

Sat

Sun

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

see Student Book page 47


Multiplication patterns 1

Look for a pattern. Fill in the missing numbers. 20 5 10 3 12 4 40

2

14

16

12

________

________

________

Complete this multiplication block. Ă—

1

2

2

3

3 4 5 10

4 5 10

3

10 8 ________ 15 20 25 ________ 30 ________ 35 10 ________ ________ 20 30 ________ 70 60 ________ 50 ________ 40 ________ 6 9 ________ ________ ________ 21 18 15 ________ 12 ________ 16 18 ________ ________ 24 22 20 ________ 14 28 24 ________ 20 ________ 16 8 12 ________ ________ 36 32 ________ 16 20 ________ 24 ________ 28 ________ 18

2

3

4 6 6 9 8 12 10 15 20 30

4

5

6

7

8 10 12 14 12 15 18 21 16 20 24 28 20 25 30 35 40 50 60 70

8

9

10

16 24 32 40 80

18 27 36 45 90

20 30 40 50 100

Double each number.

2

10 ________

4

20 ________

6

30 ________

8

40 ________

10

50 ________

1 ________ 2 ________ 3 ________ 4 ________ 5 ________

20

15 ________

30

40

25 ________

60

35 ________

80

45 ________

50

70

90

100

see Student Book page 48 41


Reading scales 1 kilogram = 1000 grams. –12 kg = 500 grams.

Read the weighing scales.

1

500

10 0 1500 kg 2

500

9

500

500

Write each mass in two different ways.

1

3

8

500

500

7

500

6 5005

4

500

2

2

500

7

500

600 g 600 g kg

500

0 1 500 50010 kg 2 9 500

500

3

8

500

500

7

500

4 6 5005 500

500

7

4 6 5005 500

500

5

0

3

8

500

500

500

4 6 5005 500

4

500

3

8

500

500

500

500

3

400 g 4400 g kg

0 1 500 50010 kg 2 9 500

0 1 500 50010 kg 2 9 500

500

7

4

500

0 1 500 50010 kg 2 9 500

500

3

5 kg 600 g 5600 g

100 g 2100 g kg

8

kg 500 g 1500 g

4 6 5005 500

6

7 kg 700 g 7700 g

500

10 0 1500 kg 2 9 500 500

500

3

8

500

500

7

500

4 6 5005 500

9 kg 0 9000 g

g

500

0 1 500 50010 kg 2 9 500

500

3

8

500

500

7

500

4 6 5005 500

see Student Book page 51 42


More reading scales These scales show how much some students weigh. Read the scale. Write each weight to the nearest half kilogram.

1

2 28 29 30 27 26

31 32

27 26

31 32 33 31 32

5 23 24 25 22 21

26 27

21 20

23 24 25 25 26

8 25 26 27 24 23

1 31 2 _________________ kg

22 21

23 21 _________________ kg

23 _________________ kg

24 21 kg _________________

26 27

26 _________________ kg 9

36 37 38 28 29

34 35

6 22 23 24

7

30 29

1 28 2 _________________ kg

29 _________________ kg 4

3 28 29 30

35 34

39 40

37 21 _________________ kg

31 32 33 30 29

34 35

31 _________________ kg

see Student Book page 52 43


Numberequal Making title groups I have 18 counters.

I can make

I can make

I can make

2 rows of 9

6 rows of 3

3 rows of 6

18 ÷ 2 = 9

18 ÷ 6 = 3

18 ÷ 3 = 6

1

Draw four different ways of putting 12 counters into equal rows. Write a division fact for each.

12 ÷ 2 = 6 _________________ 2

12 ÷ 4 = 3 _________________

How many ways can you find to put 24 counters into equal rows? Draw the ways you can find. Write a division fact for each.

24 ÷ 1 = 24 ________________ 44

12 ÷ 6 = 2 _________________

24 ÷ 12 = 2 ________________

24 ÷ 3 = 8 ________________

12 ÷ 3 = 4 _________________

For example:

24 ÷ 6 = 4 ________________ see Student Book page 53


Number facts Division title 1

Write four different multiplication and division facts for each set of numbers 5 6 30

7 28 4

6

=

30

7

=

28

5

=

30

4

=

28

30 ÷

30

6

=

5

28 ÷

6

÷5=

28

40 5 8 =

40

10 ×

5

=

40

5

90 ÷

40 2

7 4

90 10 9

8 8

=

÷7=

40 ÷

4

=

÷5=

8

90

9 10 10

= =

90

=

÷9=

90 9 10

Draw lines to match the numbers to the correct answers. ÷3

÷5

12

7

10

8

21

6

40

2

18

4

25

9

24

10

45

6

30

5

30

5

15

8

15

3

see Student Book page 54 45


Division with some left over Share the items among the children. Are there any left over? Tick the correct box. If there are some left over, write how many.

Things to be shared

Number of children

Left over? Yes

1 ✓ _____

2 No

Yes

3 ✓ _____

4 No

Yes

1 ✓ _____

3 No cm

cm

cm

cm

cm

cm

cm

cm

cm 1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

2

2

2

3

3

3

3

3

3

3

3

3

4

4

4

4

4

4

4

4

4

Yes

1 ✓ _____

5

5

5

5

5

5

5

5

5

6

6

6

6

6

6

6

6

6

7

7

7

7

7

7

7

7

7

8

8

8

8

8

8

8

8

8

9

9

9

9

9

9

9

9

9

10

10

10

10

10

10

10

10

10

4 No

Yes

3 ✓ _____

7 No

see Student Book page 55 46


Make a table Work with a partner. Decide whether each animal moves mostly by walking, swimming or flying. Write the name of each animal in the correct column in the table.

Mostly walks

Mostly swims

Mostly flies

Leopard Tiger

Fish Duck Dolphin Octopus Crocodile

Dove Parrot Bat Bee

see Student Book page 59 47


Investigating mini-beasts found in different places 1

Look at the pictures carefully. Where do you think you would find the most mini-beasts? Why? A

B

D

C

2

Discussion

You are going to work in groups to count the number of mini-beasts in different places. Your teacher will give you instructions to do this. Record your data in this table. Environment A

Number of mini-beasts found

own work

B C D

3 a b c d

Use your table to find the answers to these questions. Where did you find the most mini-beasts? Where did you find the fewest mini-beasts? How many mini-beasts did you find in environment A? How many mini-beasts did you find altogether?

own work

see Student Book page 59 48


Venn diagrams Write the numbers in the correct spaces. Some numbers might go outside the circles. Numbers 22 29

51

18

29

35 63

purple numbers

35

63

15

45 27

12 24

45

51 72 48 20 24

27 21

48

22 72 32

18

even numbers

20

32 15 21 12

see Student Book page 60 49


Carroll diagrams 1

Draw the shapes in the correct places in the table.

Grey

Not grey

Has right angles

Has no right angles

2

Sarita asked her friends if they liked apples or oranges. Her Carroll diagram looked like this: Like apples

Don’t like apples

Like oranges

5

3

Don’t like oranges

1

2

11

a How many friends did Sarita ask? _____________

5

b How many friends like apples and oranges? _____________

2 6 How many friends like apples, but not oranges? _____________ 5 How many friends like oranges, but not apples? _____________

c How many friends don’t like apples or oranges? _____________ d e

see Student Book page 61 50


Carroll diagrams continued 3

Choose 10 students in your class. Write their names in the correct place on this Carroll diagram. Boy

Not a boy

own work

Wears glasses

Does not wear glasses

4

Put the numbers into the correct boxes in this Carroll diagram.

1

2

3

15

20

4

5 26

6 30

7

8

35

50

9 12

Even

Multiple of 5

Not a multiple of 5

10 30 2 8

Not even

20 50 4 26

10

5 35 6 12

1 7

15 3 9

see Student Book page 61 51


Fractions 1

Shade the correct fraction of each shape.

one-half

2

two-thirds

Complete the table.

One-quarter One-half Two-thirds Three-fifths Five-sixths Four-tenths

3

three-quarters

Fraction in numbers

Number of equal parts in the whole

–41

4

1 2 2 3 3 5 5 6 4 10

2 3 5 6 10

Colour the necklaces correctly.

a –12 the beads are blue. The rest are red.

b –14 of the beads are pink. –14 of the beads are red.

The rest are orange. see Student Book page 62 52


More fractions of shapes Colour the fraction given. Write the fraction that is not shaded.

1

2

3

3 _ 4

1 _ 5 4 5

1 4

not shaded

4

1 _ 3 2 3

not shaded

5

6

1 _ 2

3 — 10 1 2

7 10 not shaded

4 _ 8

not shaded 4 8

7

not shaded

8

not shaded

9

1 _ 4 2 _ 3 1 3

not shaded

1 _ 8 7 8

not shaded

3 4

not shaded

see Student Book page 63 53


Fractions of amounts 1

Count the squares in each chocolate bar. Complete the number sentences.

–12 of the squares = –13 of the squares = –14 of the squares =

12 8 6

–12 of the squares = –14 of the squares = 3 – 4

of the squares =

–12 of the squares = –14 of the squares =

2

6 3 9

12 6

Write how many squares in the whole bar of chocolate if:

a –13 of c –14 of e –13 of

9 16 3

10 = 5 – of 24 = 12 – of 36 = 9

=3

b –12 of

=4

d

=1

f

1 2 1 4

see Student Book page 66 54


Colour the fraction Colour or draw to show the correct fractions.

1

–12 of the bottles are full.

2

–13 of the ladybirds

3

–14 of these cars are red.

5

–12 of these birds are yellow.

have no spots.

4

–15 of these fish are green.

6

–15 of the beads are striped.

see Student Book page 67 55


Measuring capacity 1l

Draw the liquid in the jugs to show each amount.

1000 ml

3 4l 1 2l

500 ml

1 4l

900 ml

1

1l

2

1000 ml

3

1 2l

500 ml

500 ml

1 4l

1 4l

500 ml

700 ml

1l

4

1000 ml

3 4l 1 2l

1l

1 2l

500 ml

1l 1l

1000 ml

3 4l 1 2l

500 ml

1 4l

–14 l 1l

1000 ml

3 4l

1 4l

5

1000 ml

3 4l

3 4l 1 2l

1l

1000 ml

6

3 4l 1 2l

500 ml

1 4l

500 ml

1 4l

1l 3 4

l

1 2

l

1 4

500 ml

l

1 l 200 ml

7

1l 3 4l

3 4

1 2l

500 ml

1 4l

3

1–4 l

3 4

l

1 2

l

1 4

l

1000 ml

500 ml

1 l 700 ml 1l

1000 ml

1l

1000 ml

1000 ml

8

1l

1l

1000 ml

l

3 4l

3 4

l

1 2

l

1 2l

1 2

l

1 4

l

1 4

l

500 ml

500 ml

1 4l

1000 ml

500 ml

1 l 900 ml see Student Book page 68

56


Making 1 litre Find pairs of containers that make 1 litre. Colour each pair a different colour.

see Student Book page 69 57


Adding patterns Look for patterns. Write the missing numbers. Make up your own pattern in the last table.

1

58

2

50 + 8 40 + 18 30 + 28 20 + _______ 38 10 + _______ 48 0 + _______ 58

4

88 80 + 8 _______ 70 + 18 28 60 + _______ _______ 50 + 38 40 + _______ 48 _______ 30 + 58 20 + _______ 68 _______ 10 + 78 0 + _______ 88

7

3

_______ 70 + 9 60 + 19 _______ _______ 50 + 29 _______ 40 + 39 _______ 30 + 49 _______ 20 + 59 _______ 10 + 69 _______ 0 + 79

60 + 3 50 + 13 40 + _______ 23 30 + _______ 33 43 20 + _______ 10 + _______ 53 0 + _______ 63

5

91 _______ 90 + 1 _______ 80 + 11 _______ 70 + 21 _______ 60 + _______ 31 _______ 50 + _______ 41 _______ 40 + _______ 51 _______ 30 + _______ 61 _______ 20 + _______ 71 _______ 10 + _______ 81 _______ 0 + _______ 91

79

6

own work _______ + _______ _______ + _______ _______ + _______ _______ + _______ _______ + _______ _______ + _______ _______ + _______ _______ + _______

Write the number that is 300 more than: a 198 __________ 498

8

63

b 227 __________ 527

c 405 __________ 705

d 303 __________ 603

Write the number that is 50 less than: a 185 __________ 135

b 269 __________ 219

c 345 __________ 295

d 521 __________ 471 see Student Book page 74

58


Rounding and estimating 1

Round each number to the nearest ten. Estimate the answer. Work out the actual answer.

Number sentence

Rounded

Estimate

Actual answer

28 + 41

30 + 40

70

69

61 + 32

60 + 30 80 + 20 20 + 50 20 + 40 80 - 20 70 - 30 80- 60 100 - 90

90 100 70 60 60 40 20 10

93 94 64 66 63 33 17 10

75 + 19 16 + 48 23 + 43 82 – 19 65 – 32 79 – 62 99 – 89

2

Find the actual answer. Work out the difference between the estimate and the answer.

Number sentence

Estimate

Actual answer

Difference

45 + 29

80

32 + 61

90

48 + 43

90

55 + 38

100

66 – 28

40

49 – 23

30

92 – 67

20

98 – 49

50

74 93 91 93 38 26 25 49

6 3 1 7 2 4 5 1 see Student Book page 77 59


Check the answers Check these addition sums. Tick the ones that are correct. Write the correct answer if the total is wrong. Use your notebook or scrap paper if there is not enough space for working. a 219 + 254 = 74

473

b 358 + 112 = 466

e 705 + 134 = 737

h 649 + 156 = 705

k 232 + 696 = 828

n 907 + 30 = 907

d 284 + 507 = 781

791

g 259 + 143 = 392

402

j

309 + 43 = 342

352

m 522 + 185 = 607

707

470

839

805

928

937

c 165 + 429 = 584

f 368 + 35 = 403

I 447 + 343 = 780

l

594

790

142 + 185 = 227

327

o 226 + 457 = 673

683

✗ ✗

see Student Book page 78 60


Marking right angles 1

Mark all the right angles inside each path. Write how many right angles there are.

a

b

7 right angles _____________ 2

9 _____________ right angles

Use your right angle measure. Mark all the right angles in each shape. Write the name of the shape. Write how many right angles there are.

a

b

c

_________________ triangle

_________________ square

_________________ rectangle

_____ 1 right angles

_____ 4 right angles

_____ 4 right angles

d

e

f

_________________ triangle

_________________ pentagon

_________________ rectangle

0 right angles _____

2 right angles _____

4 right angles _____ see Student Book page 79 61


Classifying shapes

1

Mark all the right angles in these shapes. A

B

C

E

H

2

D

F

I

G

J

K

Complete this table. Write the letters of each shape. Shape No right angles 1 right angle More than 1 right angle

B C D F G H I J A E

see Student Book page 80 62


Money amounts Draw notes and coins to show how you could pay for each item. Item and price

Coins and notes I could use

own amounts

see Student Book page 81 63


Making $1.00 Write values on the coins to make the amount up to $1.00. Use as few coins as possible. Amount I have

various answers for example:

Coins I need to make $1.00

25c

50

20

75c

20

5

52c

20

20

88c

10

2

90c

10

18c

50

39c

5

5

2

20

10

2

50

10

1

46c

50

2

2

20c

50

20

10

84c

10

5

1

1

see Student Book page 82 64


Money problems 1

Victoria decides to have a half-price sale. Write the sale price of each item. The first one has been done as an example. 0

0

Was $4

Was $8

0

Now $2

Now

0

5

Was $6 Now

Was $5

30 5

2

27.50

Was $8

32.50

Now

42.50

45

Now

8

Was $1

9

Now

9

Was $1 Now

9.50

How much for two of each item?

45c 80c $1.50 3

Now

5

Was $6 Now

40

0

Was $9

90c $1.60 $3.00

90c 85c $3.50

$1.80 $1.70 $7.00

How much change will you get from $2 if you spend the following amounts?

75c a $1.25 ____________

55c b $1.45 ____________

$1.50 c 50 c ____________

$1.90 d 10 c ____________

$1.01 e 99 cents ____________

f $1.73 ____________ 27c see Student Book page 83 65


Clockwise and anti-clockwise turns 1

Imagine you are at X. Complete the table

tree

house

pond

swings

Starting position Facing the tree

Facing the swings

Facing the pond

Facing the house

Facing the tree

Turn

End position

–12 turn clockwise

Facing the swings Facing the tree Facing the house Facing the swings Facing the tree Facing the pond Facing the pond Facing the swings Facing the pond Facing the house Facing the swings Facing the pond

–12 turn anti-clockwise –41 turn anti-clockwise –41 turn clockwise –43 turn anti-clockwise –43 turn clockwise –12 turn clockwise –43 turn clockwise –41 turn anti-clockwise –12 turn clockwise

full turn clockwise Facing the swings

2

–41 turn anti-clockwise

Make up some starting positions and turns of your own. Ask a partner to work out the end positions. Starting position

Turn

End position

own work see Student Book page 84 66


More about clockwise and anti-clockwise A snail took this route around some tree stumps. 3

4

1

start

2

1

5

Around which stumps did it travel clockwise?

1, 4, 5 2

Around which stumps did it travel anti-clockwise?

2, 3 3

Another snail took a different route. It went anticlockwise around stumps 1, 2 and 4. It went clockwise around the remaining stumps. Draw the snail’s route using arrows. 3 start

2

4

4

1 5

Draw some circles using an anti-clockwise motion and some other circles using a clockwise motion. Which felt more comfortable? Suggest some reasons for your answer.

own work

see Student Book page 84 67


Position This is part of a seating plan. Back

Nina Jess

Marie

4 3

Nick

Jo

2

Thandi

Ella

1

A

Zayed

Zara

Mike

Sipho

Malala B

C

D

E

Front

1

Write the names of these students in the correct places.

a Marie is in seat B4 b Nick sits two rows in front of Marie c Sipho is in E1 d Amani sits next to Sipho e Jess sits in C3 f Nina sits behind Jess g Ella sits in A1

2

Write the position of these students.

a Zayed

E4

b The person in front of Mike

E1

D2 A2

c Zara d Jo

e The person between Nick and Zara

C2 E3

3

Zayed moves one seat forward. Where is he sitting now?

4

Jo moves one row back. Where is she sitting now?

5

Marie moves to the empty seat in the front row. What is the position of this seat?

B1 or D1 68

A3 see Student Book page 85


Position on a grid Draw the shapes in the correct squares on the grid.

A4

C5

D9

E1

F3

D4

G4

I2

J9

E8

H2

A10

10 9 8 7 6 5 4 3 2 1 A

B

C

D

E

F

G

H

I

J

see Student Book page 85 69


Mixed numbers Colour the shapes to show the mixed number. a

b 1

c

1 2

2

3 4

d 1

1 4

2

e

1 2

f

2

1 3

1

1 2

g 3

6 8

h

2

6 10

see Student Book page 86 70


Mixed numbers on a number line Write the fractions or mixed numbers shown by the arrows.

1

1 2

0

2 21 1

2

3 21

2

2 81

2 21

3

2 34

4

5

3 41

2

3 58

6

3 78

3

3

1 8

1 2

4

7 8

0

1 41

1 21

1 78

1

4

3 41 3

5

4 21

4 41

2

5 21

4

5

6 34 6

8 7

8

Use this number line to make a question like the ones above. Swap with a partner. Complete your partner’s question.

own work 10

11

12

13

see Student Book page 87 71


More mixed numbers Show each set of mixed numbers on the number line.

1

1 21

3 21

1

2

1–12

3–12

2

4–12

3

4

1 34

0

1

3

1–43

2–12

1

2

5–3

3 31 1

2–3

4

4 31

5 32 5

6

1

9 10

1 101 1

–1 110

4

4–3

0

–9 10

3 34 3

4

1 2

–12

6

3–43

3

3–3

5

2 21 2

2 31 2

5 21

5–12

1 2

–12

4 21

1–12

1 21

1 109 2

–9 110

see Student Book page 87 72


Drawing symbols Here are four symbols used on pictograms.

1 person

1

2

2 ice creams

1 car

2 fish

Write the amount these symbols represent.

4 persons

3 ice-creams

2 cars

2 fish

8 persons

1 1 ice-creams

4 cars

7 fish

Draw the symbols to show:

a 3 people

b 7 ice creams

c 3 cars

d 5 fish see Student Book page 88 73


Favourite flavours 1

Do a survey in your class to find out which flavour your friends would buy. Flavour

Tally

Total

own work

2

Draw a pictogram with the title ‘Our favourite flavours’. Use your own key

own graph

Key = __________ children see Student Book page 88 74


More sorting data

1

Look at the picture. Answer the questions.

12 a How many children are there? ______________________________ 5 b How many girls are there? ______________________________ 7 c How many boys are there? ______________________________ 7 d How many children wear glasses? ______________________________ 1 e How many girls wear glasses? ______________________________ 6 f How many boys wear glasses? ______________________________ 2

3

Write the numbers in the Carroll diagram to show the information. Girls

Not girls

Wear glasses

1

6

Do not wear glasses

4

1

Complete this pictogram to show how many boys and girls wear glasses. Children who wear glasses Girls Boys Key

= 1 child see Student Book page 89 75


More bar charts Five children went for a run. Here are their times: Sarah: 8 minutes

Ayiz:

12 minutes

Dan: 14 minutes

Mishka: 11 minutes

Anna: 13 minutes

1

Use the information to complete the bar chart.

2

Answer these questions about the chart.

a Who came first? ________________________________ Sarah

Ayiz b Who came third? ________________________________ 6 mins c How much longer did Dan take than Sarah? __________________ d How many minutes did Dan take? _____________________ 14 mins

23 mins e How long did Ayiz and Mishka take together? _________________

see Student Book page 89 76


Sandwich survey 1

Find out which sandwiches your class likes. Make a tally chart. | = 1 |||| = 5 Filling

Tally

Total

own work

Draw a bar chart to show your results.

own graph

Number of students

2

see Student Book page 90 77


Another bar chart 1

Here is a table showing what sport the students in Grade 3 like best. Sport Soccer

14

Basketball

18

Swimming

20

Tennis Athletics

2

Number of students

8 16

Complete this bar chart to show this information. Remember to give the chart a heading.

Number of students

swimming

3

Which sport is most popular? _______________________________

4

Which sport is least popular? _______________________________

tennis

see Student Book page 90 78


Multiplying by 10 1

Fill in the missing numbers in each table.

a Number

12

15

×10

120

150 160 180 210 230 250

Number

20

22

26

30

31

×10

200

220

260

300

310

360

Number

40

43

46

47

48

50 54

×10

400

430

460

470 480

Number

68

74

81

×10

680

740

810

b

c

d

2

16

18

21

23

25

36 39 390

500

540

88

90

95

99

880

900

950

990

Pencils come in packs of ten. How may pencils altogether?

a

240 pencils

b

350 pencils

c

450 pencils

d

960 pencils see Student Book page 91 79


Doubling and halving Fill in the missing numbers. 12 17 21

×2

25

20 25

halve

27 31

15

38

28

double

halve

halve

24 34 42 50

13 15 20 50

10 12 21 13 21 15 21

27 29 37 39

30 19 14

26 double

30 40 100

1

13 2 1

÷2

14 2 1

18 2 1

19 2

double

60

halve

9 21

halve

7

double

120

halve

3 21

see Student Book pages 93–94 80


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