82 4-11 Review 1

8 − = 1 + 3

9 − 2 = 3 +

+ 6 = 10 − 3

2 + 4 = 10 −

Challenge

(a) (b)

(c) (d)

10

Fill in the boxes using 1, 1, 2, 2, 3, 5, 6, 7, 9. Subtract across and down.

2 more than 10 − 3 is .

is between 8 − 5 and 7 − 2.

(a)

(b)

9

11

Fill in the blanks.

(c) less than 9 − 7 is 0.

− =

− =

− =

= = =

− − −

1

835-1 Numbers to 20

Basics

Chapter 5 Numbers to 20

10 and is 14.

10 and is .

10 and is .

10 + = 14

10 + =

10 + =

Circle a group of 10.Then write the missing numbers.

is 10 and .

= 10 +

Exercise 1

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84 5-1 Numbers to 20

Circle 10.Write how many in all.

Complete the number bonds.2

3

(a) (b) (c)

Practice

910 10

13

1

11 1

855-2 Add or Subtract Tens or Ones

10 + 6 =

16 − 10 =

11 − 1 = 10 + 8 =

+ 3 = 13 10 + = 14

17 − 10 =

− 5 = 10 12 − = 2

9 + 10 =

Basics

6 + 10 =

16 − 6 =

2 (a) (b)

(c) (d)

(e) ( f )

(g) (h)

Practice

610

16

Exercise 2

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eleven fifteen

nineteen twelve

100 5-7 Practice

Write a check if the statement is correct.

10 + 7 = 16 − 6 =

12 + 7 =

Write the number that is

Challenge

2

3

5

(a) (b)

(c) (d) 16 − 5 =

Write the numbers.4

1 less1 more

1 ten and 5 ones is less than 18 ones and more than 13 ones.

4 added to 12 is greater than 2 subtracted from 18.

18 − 5 is 2 more than 6 + 5.

8 + 5 is 1 less than 15 − 3.

two more than thirteenone more than eleven

three less than seventeentwo less than twenty

1

1016-1 Add by Making 10 — Part 1

Basics

Chapter 6 Addition to 20

8

7

5

6

Practice

There are 8 balls.There are 5 ducks.How many toys are there in all?

Add 7 and 6.

There are toys in all.

2

+

+

+

+

=

=

=

=

Exercise 1

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102 6-1 Add by Making 10 — Part 1

3 Add.

9 + 2 =

8 + 6 =

7 + 4 =

6 + 5 =

7 + 5 =

9 + 4 =

9 + 7 =

8 + 8 =

1036-1 Add by Making 10 — Part 1

Add.

9 + 3 =

8 + 3 =

7 + 5 =

6 + 6 =

8 + 4 =

9 + 6 =

9 + 4 =

7 + 7 =

4

87796_Workbook 1A_Insides.indd 108 24/1/18 9:52 AM

51 2

9 + 6 =

104 6-1 Add by Making 10 — Part 1

8 + 3 =

7 + 5 = 8 + 4 =

9 + 2 =

7 + 6 = 8 + 5 =

9 + 9 = 5 + 7 =

9 + 5 = 7 + 7 =

9 + 5 =

(a) (b)

(c) (d)

(e) ( f )

5

6 (a) (b)

(c) (d)

(e) ( f )

1

1056-2 Add by Making 10 — Part 2

Basics

Practice

Add 4 and 7.

There are bunnies in all.

2

There are 5 bunnies.8 more bunnies hopped over.How many bunnies are there in all?

5

4

8

7

+

+

+

+

=

=

=

=

Exercise 2

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210

410

10

10

10

1010

10

120 7-1 Subtract from 10 — Part 1

12 − 8 = + 2(a) 16 − 9 = + 6

12 − 9 = + 2 15 − 8 = + 5

17 − 8 = 16 − 8 =

11 − 8 = 14 − 9 =

(a)

(b)

(c) (d)

(b)

(c) (d)

14 − 8 = (a) 11 − 9 =

15 − 9 = 18 − 9 =

(b)

(c) (d)

7

8

9

1217-2 Subtract from 10 — Part 2

(a) (b)

(c) (d)

Subtract 6 from 14.

14 − 6 =

Basics

1

2

13 − 7 = + 3

11 − 5 = + 1

15 − 6 = + 5

12 − 4 = + 2

13 − 7 =

11 − 5 =

15 − 6 =

12 − 4 =

Exercise 2

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122 7-2 Subtract from 10 — Part 2

Subtract.

Practice

3

14 − 5 =

12 − 7 =

16 − 7 =

11 − 2 =

13 − 6 =

11 − 6 =

12 − 6 =

15 − 6 =

1237-2 Subtract from 10 — Part 2

Write the missing number.

Subtract.

4

5

11 − 3 =

13 − 7 =

14 − 7 =

12 − 3 =

13 − 4 = + 3

11 − 4 = + 1

12 − 5 = + 2

15 − 7 = + 5

87796_Workbook 1A_Insides.indd 128 24/1/18 9:52 AM

10

10

10

1010

10

310

410

124 7-2 Subtract from 10 — Part 2

(a)

(a)

6 (b)

(c) (d)

(b)

(c) (d)

(a) (b)

(c) (d)

7

8

13 − 6 = + 3

11 − 4 = + 1

14 − 6 =

11 − 5 =

12 − 7 = 13 − 4 =

11 − 6 = 14 − 7 =

15 − 7 = + 5

12 − 5 = + 2

16 − 7 =

15 − 6 =

2

4

1257-3 Subtract the Ones First

Basics

Subtract 7 from 15.1

2

3

15 − 7 =

12 − 5 = 10 −

14 − 6 = 10 − 14 − 4 =

12 − 2 = 12 − 5 =

14 − 6 =

Exercise 3

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10

10

10

1010

10

310

410

124 7-2 Subtract from 10 — Part 2

(a)

(a)

6 (b)

(c) (d)

(b)

(c) (d)

(a) (b)

(c) (d)

7

8

13 − 6 = + 3

11 − 4 = + 1

14 − 6 =

11 − 5 =

12 − 7 = 13 − 4 =

11 − 6 = 14 − 7 =

15 − 7 = + 5

12 − 5 = + 2

16 − 7 =

15 − 6 =

2

4

1257-3 Subtract the Ones First

Basics

Subtract 7 from 15.1

2

3

15 − 7 =

12 − 5 = 10 −

14 − 6 = 10 − 14 − 4 =

12 − 2 = 12 − 5 =

14 − 6 =

Exercise 3

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126 7-3 Subtract the Ones First

Subtract.

Practice

4

11 − 8 =

13 − 8 =

15 − 6 =

12 − 4 =

14 − 7 =

18 − 9 =

11 − 6 = 16 − 9 =

5

1

6

3

2

3

1277-3 Subtract the Ones First

Subtract.Use any method.

(a) (b)

(c) (d)

(e) ( f )

5

6

13 − 7 =

12 − 3 =

15 − 8 =

14 − 8 =

15 − 8 = 10 − 13 − 5 = 10 −

11 − 2 = 10 −

16 − 9 = 10 −

12 − 9 = 10 −

13 − 4 = 10 −

87796_Workbook 1A_Insides.indd 132 24/1/18 9:53 AM

126 7-3 Subtract the Ones First

Subtract.

Practice

4

11 − 8 =

13 − 8 =

15 − 6 =

12 − 4 =

14 − 7 =

18 − 9 =

11 − 6 = 16 − 9 =

5

1

6

3

2

3

1277-3 Subtract the Ones First

Subtract.Use any method.

(a) (b)

(c) (d)

(e) ( f )

5

6

13 − 7 =

12 − 3 =

15 − 8 =

14 − 8 =

15 − 8 = 10 − 13 − 5 = 10 −

11 − 2 = 10 −

16 − 9 = 10 −

12 − 9 = 10 −

13 − 4 = 10 −

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128 7-3 Subtract the Ones First

pelicans will be left on the beach.

15 pelicans are on the beach.If 7 of them fly away,how many pelicans will be left on the beach?

(a) (b)

(c) (d)

(e) ( f )

7

8

11 − 9 = 13 − 6 =

12 − 6 = 11 − 7 =

16 − 8 = 14 − 9 =

− =

1

1297-4 Word Problems

Basics

There are 13 balls.5 are footballs.The rest are baseballs.How many baseballs are there?

There are 13 baseballs and 5 footballs.How many balls are there in all?

There are baseballs.

There are balls in all.

2

5

13

513

=

=

Exercise 4

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166 9-3 Practice

Draw what comes next.

How many shapes will be in the 6th rectangle?

(a)

(b)

5 Circle the shape that will be 10th in the pattern.

Challenge

6

1st

10th

167

1

9-4 Review 2

Check

Write the numbers in order from least to greatest.

Add the first 2 numbers in the pattern.

(a)

(c)

(d)

Subtract the 2nd number from the 5th number in the pattern.

In the 6th box, write the number that comes next in the pattern.

1st

(b)

Add the 1st and 3rd number in the pattern.

Subtract the 1st number from the 6th number in the pattern.

(e)

( f )

Exercise 4

13 11 7 15 9

=

=

=

=

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168 9-4 Review 2

3

2

Kai collected 11 shells.She put back 6 of them.How many does she have now?

She has shells now.

Joseph had 11 cookies.He got 6 more.How many does he have now?

He has cookies now.

=

=

1699-4 Review 2

Lucia had 9 flowers.She gave some of them to her sister.She now has 6 flowers.How many did she give away?

She gave away flowers.

Logan gave away 9 shirts.He now has 6 shirts.How many shirts did he have at first?

He had shirts at first.

4

5

=

=

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170 9-4 Review 2

Challenge

How many squares are there? (There are more than 9.)

There are squares.

Cross out any that are less than 15.

7 + 9 8 + 3 19 − 3 11 + 3 16 − 5

Cross out any that are more than 8.

5 + 6 2 + 5 17 − 8 11 − 4 17 − 6

Cross out the one that does not belong.

6

7

8

9

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