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MEP Primary Practice Book Y1b ANSWERS

11

11111 Colour the shapes as shown: R = 12, B = 11, G = 10

22222 Write equations about the pictures.

a) b)

Find the shapes in the grids. Fill in the missing numbers which sum to 12.

a) b)

Fill in the missing numbers.

a) 4 + 7 = b) 12 – 10 = c) 6 + 4 =

d) 3 + 9 = e) 12 – 9 = f) 6 + 6 =

33333

44444

6 + 6 2 + 7 2 + 8 4 + 7 2 + 93 + 8

5 + 5 10 + 2 4 + 8 1 + 11 3 + 74 + 5

1 + 9 5 + 6 3 + 6 4 + 6 5 + 73 + 9

3 3 1 53 4 2 53 4 3 12 2 4 3

= 12

8 3 4 7 9 4 8 2 6 07 2 3 2 4 0 5 1 6 10 6 1 2 1 0 8 5 9 16 8 5 8 7 8 3 2 0 13 5 0 0 9 8 3 3 3 00 5 2 6 5 3 0 4 1 2

= 12

6 + 2 + 4 = 1 21 2 6 = 6

1 2 2 = 1 01 2 4 = 82 + 4 + 6 = 1 24 + 2 + 6 = 1 2

_

__

6 + 6 = 1 24 + + 4

4 6 =1 2 6 = 62 + 4 + 6 = 1 26 + 2 + 4 = 1 2

_

4

21+ +

= 21

2

3 333

3

1 5

15

2

43

4

24

2

55 2

32 3

33 3 3 6

6

22

4 8

1 1

1 2

2

3

1 0

1 2


Page 112

11111 Continue drawing the number strips to make 12. Write down the additions.

22222 There were 12 sticks on the table. Who took most? Who took least?


a) b)

44444 Continue the pattern.

11 eleven 11 eleven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 twelve 12 twelve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1010 + 2 = 12

9 + 1 + 2 = 9 + 3 = 128 + 2 + 2 = 8 + 4 = 12

Write an equation for each girl. Put the correct sign between the pictures.

33333

Peggy

Anne

Sue

Sarah

4 + 8 = 7 + 5 = 12 – 7 =

8 + 4 = 5 + 7 = 12 – 5 =12 – 8 =

12 – 4 =

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

2 6 = 61 _ 2 4 = 81 _

<

1 2

1 2

1 2

1 2

8

4

5

7

11 eleven 11 eleven 11 eleven 11 eleven

12 twelve 12 twelve 12 twelve 12 twelve

> >

2 5 = 71 _ 2 5 = 71 _


Page 113

11111 Fill in the missing numbers. Mark them on the number line.

22222 Measure how far away:

a) the grass is from the flower cm

b) the mushroom is from the grass cm

c) the flower is from the mushroom. cm


a) 9 + = 10 b) 12 – 3 = c) 11 – 6 =

d) – 8 = 12 e) 9 + = 12 f) – 11 = 1

g) 12 – 6 = h) 20 – 12 =

44444 Complete the table.

a + b = 12

100

<4 1 2 <4

1 2

4 = 1 2–

4 =–1 2

4 = 1 2+

+ 4 =

100

<5 1 2 <5

33333

0ab

1 2 7 8 10 11 123 4 5 6 90ab

1 2 7 8 10 11 123 4 5 6 9

8 16 7 17

8 1 6

1 6

1 6

8

8

7 1 7

1 7

1

7

7

7

21 + 5 =

5 = 1 2

1 2 5 =

+ 5 = 1 2

_

_

5

0

7

1

02

8

21

59

3

6

12 11 10 9 8 7 6 5 4 3 2 1 0

1


Page 114

33333

11111 Continue the colouring pattern.

22222 Write down the number of sticks you need to enclose each shape.

Write down the number of squares you need to cover each shape.

. . . sticks . . . sticks . . . sticks . . . sticks . . . sticks

. . . squares . . . squares . . . squares . . . squares . . . squares


12 = 3 + 7 + 3 = 12 – 8 – 12 = 20 – – 2

= 7 + 2 + 1 6 = – 3 – 3 = 20 – 8 – 8

= 12 + 6 – 8 4 = 20 – 12 – = 12 – 9 + 3

44444 Fill in the missing numbers.

Kate invited 12 friends to her party.

Three could not come. How many children came?

10

6

a) b) c) d) e)

5 + 6 5 + 21 – 9 10 – 9

1 2 4 4 3 4 4

1 2 4 3 4

1 2 4 3 4

1 2 4 3 4

a) b)

11 – 33+ 8 1 + 8 1 – 3

1 2 4 4 3 4 4

1 2 4 4 3 4 4

1 2 4 3 4

1 2 4 3 4

c) d)

55555

R B Y G R B Y G R

10

6

12 10

8 4

12

6

16

7

2 1 6

12 4

4 6

1 0

1 0

1 2

1

3

9 8

1

1 2

9

1 1

4

1 2

7 2

1 2 3 = 9_


Page 115

11111 Fill in the missing numbers and signs.

22222 Colour the sums as shown.

odd numbers with 2 digits even numbers with 2 digits

odd numbers with 1 digit even numbers with 1 digit

Tom has 12 toy cars. He has the same number of red cars as blue cars andthe rest are yellow. How many red, blue and yellow cars can he have?


G

R

B

Y

33333

R

B

Y

++

+

+

+–

5 3

26

8 2

4 212=12=12=12=

3 3

3 3

6 2

6 2

+

+

+

+

__

2 + 9 6 + 6 10 + 2 12 + 0 5 + 6 6 + 4 3 + 4 12 – 2 3 + 3

4 + 6 3 + 8 7 + 3 10 + 1 11 + 1 2 + 8 12 – 5 10 + 0 4 + 4

5 + 7 8 + 4 11 + 0 7 + 5 4 + 8 9 + 1 1 + 2 10 – 0 1 + 1

5 + 5 0 + 11 8 + 2 4 + 7 9 + 3 3 + 7 6 – 5 11 – 1 12 – 6

12 – 1 7 + 5 2 + 10 3 + 9 1 + 10 1 + 9 4 + 5 0 + 10 11 – 5

0 1 2 3 4 6

0 1 2 3 4 6

12 10 8 6 4 0

12+ 3

5– 4 + 7

20

4+ 5 + 3

12– 6 – 4

95

1 23

1 2+ 4 7

9

+ 6

8

+ 8

64

2

1 5

__

_

+

_

3_

E.g: E.g:


Page 116


10 + 3 = 13 ten and three are thirteen, . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 eleven, 12 twelve, 13 thirteen, 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Julie, Susan, Tony and Peter have to fold 13 napkins each. Write equationsabout the pictures.

Julie Susan Tony Peter

Who has fewest napkins still to fold? . . . . . . . . . . . . . . . . . . .

Write down the answers in Roman numerals.

a) X + I = b) X + II = c) X + III =

d) IX + II = e) IX + III = f) IX + IV =

Find these shapesin the grid.

Fill in the missingnumbers which sumto 13.

55555 Fill in the table.

22222

5 + = 1 35– =1 3

5=1 3 –

33333

44444

10 + 3 = 13 ten and three are thirteen 10 + 3 = 13 ten and three are thirteen

10 + 3 = 13 ten and three are thirteen

eleven, 12 twelve, 13 thirteen,

88

8

7 + 6 = 1 31 3 7 = 61 3 6 =

8 + 5 = 1 31 3 5 = 81 3 8 = 5

6 + 7 = 1 31 3 7 = 61 3 6 = 7

__

__

__ 7

Tony

XI

XI

XII

XII

XIII

XIII

1 9 0 6 2 4 5 5 8 28 4 6 3 1 3 5 1 2 06 4 0 2 5 1 0 1 9 79 0 3 4 0 8 3 0 9 83 3 3 3 2 5 0 7 6 69 6 0 1 1 0 5 7 4 0

= 13

805

94

63 1 3

67

0 1 26

8 10 11110 9

5 64

13 1397437 5 3 28111213 0

12

11 eleven, 12 twelve, 13 thirteen, 11 eleven, 12 twelve, 13 thirteen


Page 117


22222 Write the sums into the circles. Colour the shapes as shown.


a) b)

44444 Draw routes through each maze. The sum of the numbers used must be 13.

a) b)

Even: Y Odd: R Smaller than 12:Greater than 12:B G

5 + 8 = 13 – 5 = 6 + 7 = 13 – 6 =

8 + 5 = 13 – 8 = 7 + 6 = 13 – 7 =

1010 + 3 = 13

9 + 1 + 3 = 9 + 4 = 138 + 2 + 3 = 8 + 5 = 13

+ 37 + 3 = 7 + 6 = 13+ 46 + 3 = 6 + 7 = 13+ 55 + 3 = 5 + 8 = 13+ 64 + 3 = 4 + 9 = 13+ 73 + 3 = 3 +10 = 13+ 82 + 3 = 2 +11 = 13+ 91 + 3 = 1 +12 = 13

1 3

1 3

8

5

1 3

1 3

7

6

1 1 1 1

1

1

2

3

2

2

3

2

2 = 13123

12 1 2

3

311

21 1 1

3

121

= 13

E.g:E.g:

7 + 4 8 + 3 8 + 4 4 + 9 5 + 8

6 + 7 5 + 7 8 + 5 9 + 1 6 + 6 7 + 6

4 + 7


Page 118

11111

Draw a tulip 7 cm to the left of the butterfly.

Draw a daisy 6 cm to the right of the butterfly.

How far away is the daisy from the tulip? cm

Fill in the missing numbers. Mark them on the number lines.

a) b)


9 + 1 = 12 – 4 = 6 + 6 =

9 + 4 = 13 – 3 = 6 + 7 =

4 + = 13 – 9 = 4 13 – 7 =

44444 Divide 13 into 3 numbers. a + b + c = 13. Complete the table.

55555 Write additions about the picture.

22222

33333

1 3

< 1 37 <7< 1 35 <5

0 10 20 0 10 20

8 1 8 6 2 0

1 0

1 3 1 0

1 3

8

9

1

31

6

2

a 8 6

4 8

3

7

10

3

5 5 3

bc

2

3

6

1

5

2

4

2

4 4 5 9

2 1

4 3

4

0

11

617

15

1 6

3

2

9

27

9

1

1

2 + 5 + 6 = 13

3 + 5 + 5 = 13

3 + 3 + 3 + 2 + 2 = 13

E.g:


Page 119

11111 Colour the sums as shown.

= 10 = 11 = 12 = 13


a) b)

c) d)


Make this statement correct bymoving the place of one stick.

B G RY

33333

44444

8 + 3 12 – 1 1 + 1 13 – 10 8 + 4 6 + 2 1 + 0 7 + 6 13 – 0

12 – 5 4 + 7 12 – 9 11 – 1110 + 2 7 + 0 9 + 0 13 – 13 12 – 11

11 – 8 10 + 1 13 – 6 6 + 6 7 + 5 9 + 3 8 + 1 1 + 12 2 + 11

10 – 4 9 + 2 3 + 2 12 – 10 13 – 1 2 + 6 5 + 2 11 – 1010 – 10

8 + 5

3 + 10

9 + 4

5 + 8

7 + 4 0 + 9 13 – 12 12 – 0 2 + 1 3 + 5 11 + 2 11 – 5 10 + 33 + 7

13+ 5

8+ 5 – 9

13– 7 + 6

5+ 4 + 8

20

51 3

+ 9

4 8

4

1 3

+ 7

7

7

66

1 2

1 81

_

__

_

_ 5

_

+

XI + I = X

2

10 – 920 – 6 + 7=

13 – 84 + 7 4 +

3

12 – 5 – 56 + 6 6 +

1 2 4 3 4

1 2 4 3 4

1 2 4 3 4

1 2 4 4 3 4 4

1 2 4 3 4

1 2 4 3 4

1 2 4 3 4

– 9

1 2 4 4 3 4 4

1 2 4 4 3 4 4

1 2 4 3 4

– 9

1 2 4 4 3 4 4

1 2 4 3 4

1 1a) b)

1c) d)

e) f)

1 2 1 3

1 1 1 3

1 3 1 3

5

1 3

4 1

4

1 3

87

1 37

9

7

IX + I = X

or X + I = XI


Page 120

Alice has put her piggy banks in order so that each has 3p more than theone before. None of the piggy banks contains more than 13p.

Write in the piggy banks how much money could be in each one.

Anna, Sandra and Carrie have 13 dolls altogether.

Anna has 4 dolls and Sandra has 5.

How many dolls does Carrie have?

33333 Complete the table. a + b = 13; b = 13 – a; a = 13 – b


13 = 5 + 7 + 4 = 13 – 8 – 12 = 13 – 9 +

12 = 5 + + 2 3 = 6 + 6 – 13 = + 4 + 7

= 4 + 2 + 7 8 = 12 + 1 – 13 = 12 + 8 –

11 = 13 – 9 + 5 = 13 – 4 – = 13 – 7 + 4

Make this 13-stick dog look towards the right by moving just 2 sticks.

11111

22222

<3 <3 <3 <3

55555

1p 4p 7p 10p 13p

4 + 5 = 9

1 3 9 = 4_

a 0 13 2 17

59

9b 10

101 5 6

113 12 8 4 7 613 3 8 0 11 12 4 2

1 3

1 1 8

5 9 2

5 7

47 1 0


Page 121


10 + 4 = 14, 10 + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ten and four are fourteen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13 thirteen, 14 fourteen, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22222 Complete the table. Write down the rules in different ways.

We have 3 dice. We have thrown 14 in total.

What could we have thrown on each of the dice? Complete the table.

44444 Write down what you think the answers might be.

X + I = X + II = X + III = X + IV =

XI + II = XI + III = XII + II = XIII + I =

55555 Sam and Nora have 14p altogether.

How much do they each have if they both have the same? p

33333

1 1 1 1 1 1 1 1 1 1 1 1 1 1

4 = 14, 10 + 4 = 14, 10 + 4 = 14, 10 + 4 = 14

ten and four are fourteen, ten and four are fourteen

13 thirteen, 14 fourteen, 13 thirteen, 14 fourteen,

13 thirteen, 14 fourteen, 13 thirteen, 14 fourteen, 13 thirteen, 14 fourteen

a 28

12 10

31 14

11b 10 7

9

14 15 8

a + b = 1 4 a = b =1

4 7 0 612 5 13 2 0

13 114

39 6

4 b 1 4 a_ _

4 3

664

2

6

4 4 6 3 6 6 5 5 6 6 5 5

5 4 4 5 5 3 6 3 2 6 4 5

5 6 4 6 3 5 3 6 6 2 5 45 6

XI XII XIII

XIII XIV XIV

XIV

XIV

7


2


Some ducks and tortoises are in the garden.

Altogether there are 5 heads.

How many legs could there be in total?

Complete the table.


a) b)

5 + 9 = 14 – 5 = 8 + 6 = 14 – 6 =

9 + 5 = 14 – 9 = 6 + 8 = 14 – 8 =

5 + = 14 14 – = 5 8 + = 14 14 – = 8

9 + = 14 – 5 = 9 6 + = 14 – 8 = 6

14 apples are divided equallybetween the 2 plates.

Draw the apples and write anequation about it.

22222

44444

33333

1010 + 4 = 14

9 + 1 + 4 = 9 + 5 = 148 + 2 + 4 = 8 + 6 = 14

4

Number of legs

3 2 1

2 3 4

14 16 18

1

12

+ 37 + 4 = 7 + 7 = 14+ 46 + 4 = 6 + 8 = 14+ 55 + 4 = 5 + 9 = 14+ 64 + 4 = 4 +10 = 14+ 73 + 4 = 3 +11 = 14+ 82 + 4 = 2 +12 = 14+ 91 + 4 = 1 +13 = 14

1 4 9 841

641

4141

41 5

6699

5 8

7 + 7 = 1 4


Page 123


6 + 6 = 14 – 10 = 5 + 5 = 20 – 14 =

6 + 7 = 14 – 5 = 5 + 9 = + 6 = 20

7 + 7 = – 9 = 5 12 – = 6 – 14 = 6

22222 Divide 14 into 3 numbers. a + b + c = 14 Complete the table.

Fill in the missing numbers. Mark them on the number lines.

a) b)


5 + 5 = + 6 = 14 – 6 = 8

6 + 6 = 12 – 9 = 5 + = 14

7 + 7 = 14 – = 5 12 – = 8

Sue and Bill have 14 p altogether. Sue has p

Sue has 2 p more than Bill. Bill has

33333

44444

55555

21

31

41 41

01

41 41

02

4

9

6

6

a 2 3

1 3

7

8

4

5

5 2 8

bc

2

10

2

6 3

1 5 4 3 4

4 1

4

7

5

0

1

6 3

629

7

8 9 6 2 3

74 9

10 6 3

100

<5 1 4 <5

100

<6 1 4 <6

1 4

6 = 1 4–

6 =–1 4

6 = 1 4+

+ 6 =

2

8

8 2 0

0

2 0

8

9 1 9

1 4 + 5 = 1 9

1 9 5 = 1 4

1 4 5 = 9

9 + 5 = 1 4

20 9 198

_

_

1 1 1 1 1 1 11 1 1 1 1 1 1

01

21

41

8

3

1 4

9

49

8p6


Page 124


1 litre, 10 litres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 metre, 10 metres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 cm, 10 cm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 kg, 10 kg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fill in the missing numbers and signs.

a) b)

c) d)


In this magic square, the sum of each column,row and diagonal is 14.


22222

44444

1 litre, 10 litres, 1 litre, 10 litres, 1 litre, 10 litres

1 metre, 10 metres, 1 metre, 10 metres, 1 metre, 10 metres

1 cm, 10 cm, 1 cm, 10 cm, 1 cm, 10 cm, 1 cm 10 cm

1 kg, 10 kg, 1 kg, 10 kg, 1 kg, 10 kg, 1 kg, 10 kg, 1 kg, 10 kg

8– 7 + 5

14+ 6 – 9

6+ 6 + 8

14+ 5

20

+ 71 6 02 11

5 6 9+

6 8

641

51 9

+ 6

_ _

0__

_

_

1 2 4 3 4

14 – 7 – 7 – 4

14 – 813 – 5 14 –2

12 – 6 – 65 + 5 4

11 –

14 – 9

1 2 4 3 4

1 2 4 4 3 4 4

5 +

1 2 4 3 4

1 2 4 3 4

1 2 4 3 4

1 2 4 4 3 4 4

1 2 4 4 3 4 4

1 2 4 4 3 4 4

1 2 4 3 4

1 2 4 3 4

2

3

2

1 2 4 3 4

3

a) b)

c) d)

e) f)

1 0 1 4 6 8

1 4

8 1 0 6 3

753

9

84

1 7

6

3 5 1

42 5

8 3

1 632 5

1 2

5


Page 125

11111 Mickey and Minnie Mouse always store the same number of acorns.

How many acorns could they have collected? Complete the table.


11 eleven, 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 twelve, 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13 thirteen, 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14 fourteen, 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33333 Complete the table. Write down the rule in different ways.

There are 7 litres of water in a tank.

How much water will be in the tank if you pour 5 litres into it?

litres

There were 8 apple trees and 6 pear trees in the garden. 5 trees died.

How many trees are left? Underline the correct equation and fill it in.

8 + 6 + 5 = 8 – 6 + 5 = 8 + 6 – 5 =

44444

55555

Mickey 0Minnie

10

10

4

Mickey + Minnie

31 25 3 6 7 8 9 10 11 12

4 5 2 6 7 8 9 10 11 12

0 8 2 4 6 12 14 16 18 20 22 24

eleven, 11 eleven, 11 eleven, 11 eleven, 11 eleven

twelve, 12 twelve, 12 twelve, 12 twelve, 12 twelve

thirteen, 13 thirteen, 13 thirteen, 13 thirteen, 13 thirteen

fourteen, 14 fourteen, 14 fourteen, 14 fourteen

a 03

12

b 13

211 7 1

14

a + b = 1 4 a = b =

105 6

6

9

4

b_41 a41 _

1 3 4 7 8 10 11 13

14 12 9 8 5 2 0

+ =7 5 1 2

9


Page 126


10 + 5 = 15, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 eleven, 12 twelve, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13 thirteen, 14 fourteen, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15 fifteen, 15 fifteen, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Complete the table. Write down the rule in different ways.

If a column has one odd and one even number, colour it green.

Write additions about the pictures.

a) b)

Divide these number cards into 2 groups so that the sums of the numbersare equal.

22222

33333

1 2 3 4 5

44444

10 + 5 = 15, 10 + 5 = 15, 10 + 5 = 15, 10 + 5 = 15

11 eleven, 12 twelve, 11 eleven, 12 twelve

13 thirteen, 14 fourteen, 13 thirteen, 14 fourteen

15 fifteen, 15 fifteen, 15 fifteen, 15 fifteen

5 11 14 13 1 4

8 0 6 9 15 7

1 5 1 5 b 1 5 a_ _

310

3

a 2

2

9

14 111

6

5b 10

7

4

15 12 8

a + b = a = b =

13

0

12

83 + 3 + + + 3 = 15335 + 5 =15

45

2 = 63 1 = 4

6 =3 = 5

2++

+5 + = 15228

Impossible (as totalis an odd number)

3 2 57 3+ + =15

++++ =

5

E.g: E.g:


Page 127

11111 Continue drawing the number strips for 15. Write down the additions.

Draw a red dot on the even numbers and a green dot on the odd numberson the number line.

A sparrow starts at 0 and jumps twice. Both jumps are the same distance.Where does he get to? Complete the table.

Length of 1 jump 1 2 3 4 5 6 7 8 9 10

Length of 2 jumps

Can he get to 15? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


7 + 7 = 10 – 9 = 8 + 5 = 20 – = 15

7 + 8 = 15 – 9 = 8 + = 15 5 + 15 =

6 + = 14 10 – = 5 10 – = 6 15 – = 10

9 + = 15 – 15 = 5 – 8 = 7 20 – 5 =

22222

33333

1010 + 5 = 15

9 + 1 + 5 = 9 + 6 = 158 + 2 + 5 = 8 + 7 = 15

0 5 10 15 20

+ 37 + 5+ 46 + 5+ 55 + 5

= 7 + 8= 6 + 9= 5 +10

===

+ 64 + 5 = 4 +11 =

+ 82 + 5+ 91 + 5

= 2 +13= 1 +14

==

+ 73 + 5 = 3 +12 =

15151515

1515

15

2 4 6 8 10 12 201814 16

No

1

1

2

4 1

6

6

1 3

2 0

1 5 1 5

7

8 5 4 5

5

5

0


Page 128

11111 Divide 15 into 3 numbers. a + b + c = 15 Complete the table.

Sam and Pam Squirrelhave 15 acorns altogether.

a) If Sam has 6 acorns, how many does Pam have?

b) Who has more acorns? . . . . . . . . . . . . . . . . . . .

c) How many more?

33333 Fill in the missing numbers. Join each number line to the correct equation.


9 + 1 = 14 – = 7 10 – 3 = 6 + 6 =

9 + 6 = 15 – 7 = 15 – 8 = 6 + 9 =

– 8 = 7 – 9 = 6 – 5 = 10 20 – = 12

9 + = 15 15 – = 9 20 – 15 = – 7 = 8

22222

44444

a 2 56

3

7

52 5 7

bc

3

10

52

2

4

3 8

5 3

1

45

8

2

7

4

6

3

18 43 2

5

6

9 9 9 1 6

7 4 711 6

1 5 6 = 9_

Pam

_ 6 = 39

15 – 10 + 5 =

10 + 5 – 10 =

7 + 3 + 5 =

15 – 6 + 4 =

7 + 8 =

9 + 4 – 6 =

0 10 205 15

0 10 205 15

0 10 205 15

1 0

1 5

1 3

1 5

5

7

1 0

1 5

1 5 1 5 1 5

1 2

1 5

1 5

7 7

78

8

6 6 5


Page 129


1 metre = 1 m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 kilogram = 1 kg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 kg + 8 kg = 15 kg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


a) b)

c) d)



15 = 5 + 5 + = 15 – 6 – 3 = 8 + 4 + 3

13 = 6 + 5 + = 6 + 6 + 3 14 = + 4 + 3

11 = 15 – 7 + 12 = 9 + 6 – 12 = 15 – 7 +

14 = 8 + 7 – 13 = 7 + 7 – = 4 + 7 + 4

15– 5

7+ 7 – 8

15– 9 + 6

15+ 9 – 7

20

44444

15 – 79 + 7 + 8

10 – 5 – 57 + 87 +

15 –=

1 2 4 3 4

1 2 4 3 4

1 2 4 4 3 4 4

1 2 4 3 4

1 2 4 3 4

1 2 4 3 4

1 2 4 3 4

1 2 4 4 3 4 4

1 5

2

a) b)

c) d)

1 metre = 1 m 1 metre = 1 m 1 metre = 1 m 1 metre = 1 m

1 kilogram = 1 kg 1 kilogram = 1 kg 1 kilogram = 1 kg

7 kg + 8 kg = 15 kg 7 kg + 8 kg = 15 kg

1 4+ 87

6

6

8+ 79

+ 96

5

+ 5 + 5

61 2

1 0

1 4 51

51 51

5

8

01

6

51

9

7

6

_ _

_

_

1 5

1 5

1 5

43

7

11

2

3

5 6


Page 130

4

Write down what you think the answers might be.

a) XII + I = b) XII + II = c) XII + III =

d) XIII + I = e) XIII + II = f) XIV + I =

22222 Complete the table, if + =

There are 6 books on the 2nd shelf.There are 3 more books on the 1st shelf than on the 2nd shelf.

How many books are on a) the first shelf

b) both shelves?

44444 Find ways through the pyramids so that the sum of the numbers used is 15.

a) b)

55555 Complete the table so that

<

At 8 o'clock there were 9 cars in the car park. In the next hour, 6 carsarrived and 3 cars left.

How many cars were in the car parkat 9 o'clock?

11111

33333

6666666

XIII

XIV XV

XV

XV

XIV

0

6

814

1

2

6

51 3 7 6 4

0

4

2 3 7 5 4

0 2 10 12

6 + 3 = 9

6 + 9 = 1 5

25 7

4 3 43 2 2 1

2 1 3 1 1

52 1

1 3 14 2 4 7

5 3 3 1 2

1104

95 8

11 213

4 0 6 9 3 5

15 6 13 7 9

9 + 6 21=3_

E.g: E.g:


Page 131

11111 Mother is making pancakes. Alice has eaten three of them.

Tim has eaten two more than Alice.

a) How many has Tim eaten?

b) How many pancakes are left for John?


15 – 4 – 1 – 9 =

– – + – +

5 + 3 – 2 + 4 =

– + + + –

9 + 2 + 3 – 5 =

+ + + – +

7 + 3 + 2 + 1 =

= = = = =

+ – + =

Patrick, John, Tom, Gordon and Bill went shopping. They each spent 13 p.

They all bought different types of sweet.

Patrick bought the fewest and Bill bought the most sweets.

Who could have bought what?

22222

33333

3 + 2 = 5

= 7521 _

1

1 0

9

1

1 59868

3

= 1p= 2p= 3p= 6p= 7p

Patrick John Tom Gordon Bill

S h e r b e r t

S h e r b e r tS h e r b e r t

Ch oc

Ch oc

Ch oc

Ch oc

E.g:


Page 132


2 + = 11 + 8 = 14 15 – = 8 3 + = 11

12 – = 8 7 + = 12 12 – = 6 17 – = 13

5 + = 12 9 + = 15 – 5 = 8 20 – = 12

– 7 = 7 – 4 = 9 – 8 = 12 – 3 = 12

22222 Judy and Ann want to weigh the fruit.

Draw plums on the left-hand side of the scales to make them balance.

33333 Join up the measuring tools which use the same kind of units.

11111

9 6

4 5

7 6 1

6

87

4

3 8

1 52 01 31 4

(5 + 7 = 12) (5 + 5 = 10) (7 + 8 = 15)


Page 133

Five dogs live next to each other in houses with consecutive odd numbers

Bob lives in the house with the smallest number.

The number of Fred's house is greater than 12 but not greater than 13.

Pluto lives between Cesar and Fred. Max lives next to Fred.

Who lives where? Fill in the missing numbers and letters.

Rabbit and Fox had a running race to a clearing 15 trees away.

They ran at the same speed. Rabbit ran steadily without stopping

Fox stopped after every 4 trees, while Rabbit moved one more tree aheadevery time.

How many trees away was Fox from the last treewhen Rabbit reached the clearing?


3 + 6 + 2 + 2 =

+ – + + –

5 + 2 – 1 + 6 =

+ + + + +

1 + 1 + 4 – 3 =

+ + – – +

6 + 2 + 1 – 8 =

= = = = =

– – + =

11111

22222

33333

7 9B C P F M

11 13 15

0 15F F F

R RR

3

1 3

1 2

1 5 7 6 3 5

1

3


Page 134


5 + 6 = 9 + 6 = 14 – 9 =

9 + 4 = 8 + 7 = 15 – 8 =

7 + 5 = 7 + 7 = 11 – 4 =

13 – 8 = 17 – 5 = 12 – 5 =

15 – 9 = 18 – 4 = 13 – 6 =

12 – 7 = 13 – 9 = 15 – 6 =

15 – 5 = 18 – 3 = 20 – 7 =


+ 6 = 14 – 7 = 6 6 + = 11 15 – = 9

7 + = 11 + 8 = 15 14 – = 5 9 + = 12


44444 Underline which of the numbers, 10 or 20, is closer to the middle number.

10 < 12 < 20 10 < 16 < 20 10 < 13 < 20 10 < 18 < 20

55555 On the ribbon, measure 16 cm.

11111

22222

3+ 9 – 4 + 6 – 5 + 6

15– 7 + 5 – 9 + 7 – 3

31

74

8

9

5 6

3

1 2 8 1 4 9 1 5

8 1 3 4 1 1 8

11

31

21

5

6

5

01

51

51

41

21

41

4

51

5

7

7

7

7

9

31


Page 135


6 + 6 = 5 + 8 = 11 – 3 =

4 + 7 = 4 + 8 = 12 + 5 =

9 + 5 = 9 + 3 = 15 + 5 =

15 – 12 = 15 – 7 = 13 – 5 =

14 – 11 = 13 – 7 = 14 + 3 =

12 – 10 = 12 – 6 = 20 – 5 =

20 – 10 = 13 – 3 = 20 – 6 =

22222 Join up the pictures to the correct measure.

Mass Time Distance

33333 Write down during which part of the day these take place:

a) sleeping . . . . . . . . . . . . . . . . . b) teaching . . . . . . . . . . . . . . . .

c) breakfast . . . . . . . . . . . . . . . . . d) dinner . . . . . . . . . . . . . . . .

44444 Complete the drawing so that the ribbon is 20 cm long.

11111

1 2

1 1

1 4

3

3

2

1 3

1 2

1 2

8

6

6

8

7

2 0

8

1 7

1 5

1

1 0 1 0 1 4

Night

Morning Night

Daytime


Page 136


Alan knows that the number of books on each shelf is even.

He counted 16 books in total on the 3 shelves.

How many books could there be on the bottom two shelves?

Mother has made 16 meatballs for lunch. Jeremy has eaten 2 meatballsfewer than Rachel. How many could be left for Father?

Write down what you think the answers might be.

a) XII + III = b) XII + IV = c) XIII + I =

d) XIII + II = e) XIV + I = f) XV + I =

22222

33333

44444

1010 + 6 = 16

9 + 1 + 6 = 9 + 7 = 168 + 2 + 6 = 8 + 8 = 16

6

6 + 8 = 1 4 4 + 1 2 4 + 8 = 1 2= 1 40 2 = 1 41+

+ 37+ 46+ 55+ 64

+ 6+ 6+ 6+ 6

== 6 +10= 5 +11

==

= 4 +12 =

161616

+ 73 + 6 = 3 +13 = 16+ 82 + 6 = 2 +14 = 16+ 91 + 6 =

7 + 9 = 16

1 +15 = 16

Jeremy

Rachel

Father

1

3

12

2 3 4

4

10

5

8

6

6

5

7

4

6

8

2

7 0

9

0

2

14

XV

XV XVI

XV

XIV

XVI

E.g:


Page 137

16

16is twice

is half of2

is twice

is half of

2is twice

is half of4

is twice

is half of

884 444

2 2 2 2 2 2 2 2111111 1111111 1 1 1

8 4

1 8

11111 Write the correct numbers in the number strips and boxes.

22222 Alice has a strip of paper 16 cm long.

She paints 2 cm yellow, 5 cm green and the rest red. Colour in the paper.

Underline the equation which describes the story.

16 – 5 + 2 = r 16 + 5 – 2 = r 5 + 2 + r = 16


a) b)

9 + = 16 16 – = 9 20 – = 16 16 + = 20

7 + = 16 – 9 = 7 – 16 = 4 4 + = 20

Fill in the missing numbers and signs.

a) b)

44444

8+ 8

16– 9

– 712

7 7

9 1 6 2 0 1 6

44

81 6

+ 4 + 9

+ 747 1 4

_

_


Page 138


Anne and Vicky have picked some flowers.

Vicky has 5 flowers more than Anne.

How many flowers could they have picked? Complete the table.

Peter and Geoff each had 9 p their piggy banks.

Peter is given another 8 p from his grandfather.

Geoff buys flowers for his grandmother for 8 p.

a) Who has more money now? . . . . . . . . . . . . . .

b) How much more?

44444 Complete the table. Write down the rule in different ways.

7

22222

0

A + V

Anne

Vicky

1

5

33333

1010 + 7 = 17

9 + 1 + 7 = 9 + 8 = 178 + 2 + 7 = 8 + 9 = 17

+ 37 + 7+ 7+ 7+ 7

===

==

= =7 = =

+ 7 = =+ 7 =

=

=

1717171717

17

17

+ 46+ 55+ 64+3 +7+ 82+ 91

6 115 124 133 142 15

7 10

1 16

+++++

+

+

2 3 4 5 6

6

75 9

7 8 9

11

10

13 15

11

17

7 8 9 10 11

19

12 13 14

21

15

23 25

16

27

12

17

29

11

111

11

1

1

9 + 8 = 1 7

9 8 = 1_

Peter

1 7 1 = 1 6_ p

17ab 0 16 2

3 14 5

17 13

13 12 16 6 2

6

7

7

8 9

a b+ = 71 a = 1 7 b b = 1 7 a_ _

1 15 0 4 11 1014 3 12 4 5 1 11 15 10 9 8


Page 139


a) b)

8 + = 17 17 – = 8 20 – = 17 17 + = 20

9 + = 17 – 8 = 9 – 17 = 3 3 + = 20

Julie painted 17 eggs for Easter. She painted the same number of eggsyellow as blue. She painted the rest red.

How many yellow, blue and red eggs could there be if the number of eggsin each colour is odd?


20 – = 17 9 + 7 = 20 – 17 = – 8 = 9

– 3 = 7 9 + = 17 17 – = 14 10 + = 17


15 = 17 – 8 + 7 = 17 – 3 – 6 = 20 – 6 –

= 9 + 7 – 5 = 6 + 11 – 9 = 4 + 7 + 6

Penny had 17 postcards. She gave 9 to Sue and swapped 8 with Anthony.

How many postcards does she have left?

22222

33333

44444

55555

9

8

9

71 02 71

33

3 + 3 + 1 1 = 1 7 7 + 7 + 3 = 1

5 + 5 + 7 = 11 + 1 + 1 5 = 1 7 7

7

7161

7111

3

10 8

3

3

6 7

8

8

1 7 9 8

7

=_

E.g:


Page 140

11111 There is 16 p in each purse. Complete the drawings and write equations.

Which numbers can be written instead of the letters so that the inequalitiesare correct? Join each solution to the matching number line.

13 + p ≤ 16 p:

10 + a < 16 a:

16 – r > 12 r:

b + b < 11 b:

s + 16 < 20 s:

Mother has made 17 buns. Peter ate 5 of them, 3 less than Chris.

a) How many buns have been eaten?

b) How many buns are left?

44444 Find ways through each maze so that the sum of the numbers used is 17.

a) b)

33333

22222

101

1

1 2 + = 1 6

1

5 5

5

2 2

2 2

221

2

1

5 5 5

51 1

1 1

1

11

11

1 11

6 + 1 0 = 1 6 3 + 1 3 = 1 6 4 + 1 2 = 1 6

8 + 8 = 1 61 6 + 0 = 1 64

1010

0 10 20

0 10 20

0, 1, 2, 3

0, 1, 2, 3, 4, 5

0, 1, 2, 3

0, 1, 2, 3, 4, 5

0, 1, 2, 3

5 + 3 = 8

5 + 8 = 1

1 7 1 3

3

= 4_

32 4

3 264 12

2353

5 4

1

21

421

23 1

3

4

2

2

2

111

E.g: E.g:

E.g:

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