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Addition & Subtraction to 20

1

Addition Bonds to 5

Find the missing number to make each total.

3
1
?
4
?
2
5
3
?
5
?
4
4
1
?
2

Addition Bonds to 10

Fill in the missing part to make 10.

10
7
?
10
?
4
10
2
?
10
?
9
10
5
?
10
?
3
3

Count and Add Stars

Count the stars in each row. Write the number you see.

?
?
?
4

Count and Add Hearts

Count the hearts in each row. Write the total.

?
?
?
5

Match the Sum to the Answer

Draw a line from each addition to the correct answer.

2 + 3
4 + 1
3 + 4
5 + 2
1 + 6
7
5
5
7
7
6

Addition Pairs

Draw a line to match each sum to its answer.

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

Pick the Right Answer (to 10)

Circle the correct answer for each addition.

3 + 2 = ?

4
5
6

4 + 4 = ?

7
8
9

6 + 3 = ?

8
9
10

5 + 5 = ?

9
10
11
8

More Addition to 10

Circle the correct answer for each sum.

1 + 7 = ?

7
8
9

2 + 6 = ?

7
8
9

3 + 5 = ?

7
8
9

0 + 9 = ?

8
9
10
9

Ten Frames: Adding to 10

Look at how many dots are filled. How many more do you need to make 10?

?
?
?
?
10

Count On to Add

Start at the first number and count on. Fill in the missing answers.

5
6
7
10
?
?
3
4
6
8
?
?
1
2
3
5
?
?
11

Draw to Add

Draw circles to help you solve each addition. Write the answer.

3 + 4 = ___

Draw here

5 + 2 = ___

Draw here

6 + 4 = ___

Draw here
12

Sort: More Than 5 or Less Than 5?

Sort each addition answer. Does it make more than 5 or less than 5?

1 + 2
3 + 4
2 + 1
4 + 3
0 + 4
5 + 3
Less than 5
More than 5
13

Addition Bonds to 12

Find the missing number to complete each addition.

11
5
?
12
?
4
11
8
?
12
?
7
11
3
?
14

Addition Bonds to 15

Fill in the missing part to complete each sum.

13
6
?
14
?
5
15
8
?
13
?
9
14
7
?
15
?
6
15

Choose the Answer (to 15)

Circle the correct answer for each addition.

7 + 4 = ?

10
11
12

8 + 5 = ?

12
13
14

6 + 7 = ?

12
13
14

9 + 4 = ?

12
13
14
16

More Addition to 15

Circle the correct answer.

5 + 8 = ?

12
13
14

9 + 6 = ?

14
15
16

7 + 7 = ?

13
14
15

6 + 9 = ?

14
15
16
17

Match Sums to 15

Draw a line from each addition to the correct answer.

6 + 5
7 + 6
8 + 4
9 + 5
7 + 8
11
13
12
14
15
18

Count the Apples — Addition to 15

Count the apples in each row. Write the total.

?
?
?
19

Ten Frames: Making 11 to 15

Fill in the ten frame first, then count the extras. Write the total.

?
?
?
?
20

Count On from 8

Start at 8 and count on. Fill in the missing numbers.

8
9
10
13
?
?
8
10
11
13
?
?
9
10
12
14
?
?
21

Write the Sum

Write a number sentence for each problem. Then write the answer.

I have 7 flowers and pick 6 more. 7 + 6 = ___

There are 9 birds and 5 join them. 9 + 5 = ___

I eat 8 grapes then 4 more. 8 + 4 = ___

22

Addition Bonds to 18

Find the missing number in each addition.

16
9
?
17
?
8
18
9
?
16
?
7
17
8
?
23

Addition Bonds to 20

Fill in the missing part to make 20.

20
11
?
20
?
8
20
15
?
20
?
13
20
6
?
20
?
17
24

Bridge Through 10 — Addition

Use the ten frame to help you add. Fill in the dots and count the total.

?
?
?
?
25

Ten Frames: Making 16 to 20

Fill up the first ten frame. Then count the extra dots for the second frame.

?
?
?
?
26

Choose the Answer (to 20)

Circle the correct answer for each sum.

9 + 8 = ?

16
17
18

7 + 9 = ?

15
16
17

8 + 8 = ?

15
16
17

6 + 9 = ?

14
15
16

9 + 9 = ?

17
18
19
27

Big Sums to 20

Circle the correct answer.

11 + 7 = ?

17
18
19

12 + 6 = ?

17
18
19

13 + 5 = ?

17
18
19

14 + 6 = ?

19
20
21
28

Match Big Sums

Draw a line from each addition to its answer.

9 + 7
8 + 9
11 + 5
7 + 8
12 + 8
16
17
16
15
20
29

Count On to 20

Fill in the missing numbers as you count on.

14
15
17
19
?
?
11
13
15
16
?
?
16
17
18
?
?
30

Show Your Working — Addition to 20

Solve each addition. Show how you worked it out.

8 + 7 = ___ (How did you work it out?)

9 + 6 = ___ (Show your thinking!)

7 + 9 = ___ (Draw or write to explain.)

31

Subtraction Bonds from 10

Take away the part. Find the missing number.

10
7
?
10
?
6
10
3
?
10
?
8
10
5
?
32

Take Away from 5 to 10

Find the missing number after subtracting.

7
3
?
8
?
2
9
4
?
6
?
1
8
5
?
33

Subtraction to 10

Circle the correct answer.

10 - 3 = ?

6
7
8

8 - 5 = ?

2
3
4

9 - 4 = ?

4
5
6

7 - 2 = ?

4
5
6
34

More Subtraction to 10

Circle the correct answer for each subtraction.

6 - 3 = ?

2
3
4

10 - 6 = ?

3
4
5

9 - 7 = ?

1
2
3

8 - 4 = ?

3
4
5
35

Match Subtractions to 10

Draw a line from each subtraction to the correct answer.

10 - 4
9 - 3
8 - 2
7 - 1
10 - 7
6
6
6
6
3
36

Ten Frame Take Away

The ten frame shows how many you start with. Cross out dots to subtract.

?
?
?
?
37

Cross Out and Count

Count the fish. Cross out 3 fish in each row and write how many are left.

?
?
?
38

Subtraction Stories (to 10)

Read each story and write the subtraction number sentence.

There are 8 butterflies. 3 fly away. How many are left?

I have 10 pencils. I give 4 to my friend. How many do I have now?

There are 6 dogs at the park. 2 go home. How many stay?

39

Subtraction Bonds from 15

Find the missing number to complete each subtraction.

15
8
?
14
?
5
13
7
?
12
?
4
15
9
?
40

Subtraction Bonds from 20

Find the missing number after subtracting.

17
9
?
20
?
12
18
9
?
16
?
7
19
8
?
20
?
14
41

Subtraction from 15

Circle the correct answer.

15 - 7 = ?

7
8
9

13 - 6 = ?

6
7
8

14 - 8 = ?

5
6
7

12 - 5 = ?

6
7
8
42

Subtraction from 20

Circle the correct answer for each subtraction.

20 - 7 = ?

12
13
14

18 - 9 = ?

8
9
10

17 - 8 = ?

8
9
10

16 - 9 = ?

6
7
8

19 - 5 = ?

13
14
15
43

Match Subtractions to 20

Draw a line from each subtraction to its answer.

20 - 8
17 - 9
15 - 6
18 - 7
16 - 8
12
8
9
11
8
44

Ten Frame Subtraction — Big Numbers

Use the ten frames to help you subtract. Cross out dots and count what is left.

?
?
?
?
45

Count Back to Subtract

Start at the big number and count back. Fill in the blanks.

20
19
18
15
?
?
17
16
14
12
?
?
15
13
12
10
?
?
46

Subtraction Word Problems (to 20)

Read each problem. Write the number sentence and the answer.

There are 17 birds on a fence. 9 fly away. How many are left?

I had 20 stickers. I gave 8 to my friend. How many do I have now?

There are 15 ducks in a pond. 7 swim away. How many stay?

47

Subtract the Flowers

Count the flowers. Cross out 6 in each row and write how many remain.

?
?
?
48

Add or Subtract?

Circle the correct answer for each problem.

12 + 5 = ?

16
17
18

14 - 6 = ?

7
8
9

9 + 8 = ?

16
17
18

20 - 11 = ?

8
9
10

7 + 7 = ?

13
14
15
49

Mixed Practice

Circle the correct answer.

15 - 8 = ?

6
7
8

6 + 8 = ?

13
14
15

18 - 9 = ?

8
9
10

11 + 4 = ?

14
15
16
50

Sort: Addition or Subtraction?

Sort each number sentence into the correct column.

5 + 3 = 8
10 - 4 = 6
7 + 6 = 13
15 - 9 = 6
8 + 8 = 16
20 - 5 = 15
Addition
Subtraction
51

Match Mixed Sums

Draw a line from each problem to its answer.

8 + 9
20 - 6
15 - 7
11 + 3
17 - 9
17
14
8
14
8
52

Mixed Bonds

Some are addition, some are subtraction. Find each missing number.

16
9
?
13
?
5
20
11
?
15
?
8
18
9
?
14
?
6
53

Mixed Word Problems

Read each problem. Write a number sentence and solve it.

Sam has 8 apples. He picks 6 more. How many does he have now?

There are 16 books on a shelf. Mia takes 7. How many are left?

A farmer has 9 chickens. He gets 8 more. How many altogether?

There are 20 balloons. 12 pop! How many are left?

54

More Word Problems

Write the number sentence and the answer for each story.

Mia has 11 stickers. Her friend gives her 5 more. How many altogether?

There are 19 children. 7 go inside. How many are still outside?

A baker makes 6 cakes in the morning and 8 in the afternoon. How many cakes?

55

Fact Families — Set A

Use the three numbers to write 2 addition and 2 subtraction sentences.

Numbers: 5, 8, 13

Numbers: 7, 9, 16

56

Fact Families — Set B

Write all four number sentences for each fact family.

Numbers: 6, 8, 14

Numbers: 9, 11, 20

57

Match the Fact Family

Draw a line to match each addition to its related subtraction.

3 + 9 = 12
7 + 8 = 15
6 + 5 = 11
4 + 9 = 13
15 - 7 = 8
12 - 9 = 3
13 - 9 = 4
11 - 5 = 6
58

Fact Family Bonds

Complete the missing number. Think about the fact family!

14
6
?
14
?
6
17
9
?
17
?
9
59

Find the Missing Number

Which number goes in the box? Circle the correct answer.

□ + 5 = 12

6
7
8

9 + □ = 15

5
6
7

□ - 4 = 9

12
13
14

16 - □ = 8

7
8
9
60

More Missing Numbers

Find the missing number. Circle the correct answer.

□ + 8 = 17

8
9
10

14 - □ = 6

7
8
9

□ + 7 = 20

12
13
14

□ - 9 = 5

13
14
15
61

Missing Number Bonds

Think carefully! Fill in the missing number for each one.

18
?
9
15
7
?
20
?
6
13
4
?
19
?
11
62

True or False? — Addition

Is each number sentence true or false? Sort them into the correct column.

5 + 7 = 12
8 + 6 = 15
9 + 9 = 18
7 + 4 = 12
6 + 8 = 14
3 + 9 = 11
True
False
63

True or False? — Subtraction

Sort each number sentence: is it true or false?

15 - 8 = 7
20 - 9 = 10
17 - 8 = 9
14 - 6 = 9
18 - 9 = 9
13 - 7 = 5
True
False
64

True or False? — Mixed

Is each sentence true or false?

6 + 9 = 15
20 - 12 = 9
8 + 8 = 16
17 - 9 = 7
11 + 5 = 16
14 - 7 = 7
True
False
65

Number Riddles — Addition

Solve each riddle. Write the answer.

I am a number. When you add 6 to me, you get 14. What number am I?

I am a number. When you add 9 to me, you get 18. What number am I?

I am a number. Add me to 7 and you get 15. Who am I?

66

Number Riddles — Subtraction

Solve each riddle. Write the answer.

I am a number. Take 5 away from me and you get 8. What am I?

I am a number. Subtract me from 20 and you get 11. Who am I?

I am a number. Take away 7 and I become 6. What number am I?

67

Number Riddles — Tricky!

Think hard and solve these riddles!

I am bigger than 10 but smaller than 15. When you subtract 6 from me, you get 8. What am I?

Add me to myself and you get 16. What number am I?

I am less than 20. When you add 3 to me, you get a number with a 0 in it. What could I be?

68

Which Group Has More?

Look at each pair of groups. Circle the group that has more. Write how many more.

How many more on the left?

vs

How many more on the right?

vs

How many more on the left?

vs

Are they equal?

vs
69

Bigger or Smaller Than 10?

Work out each answer. Sort it: is it bigger than 10 or smaller than 10?

5 + 3
6 + 7
15 - 8
9 + 4
20 - 9
4 + 4
Smaller than 10
Bigger than 10
70

Make Your Own Number Sentences

Write your own addition and subtraction number sentences. Make sure each answer is between 0 and 20!

Write an addition with an answer of 15:

Write a subtraction with an answer of 7:

Write an addition with an answer of 20:

Write a subtraction with an answer of 3:

71

Write a Word Problem

Write your own word problem. Then write the number sentence and the answer.

Write an addition word problem:

Write a subtraction word problem:

72

Doubles and Near Doubles

Use doubles to help you solve these. Show your thinking!

6 + 6 = ___ so 6 + 7 = ___

8 + 8 = ___ so 8 + 9 = ___

9 + 9 = ___ so 9 + 10 = ___

7 + 7 = ___ so 7 + 8 = ___

73

Home Activity: Everyday Addition & Subtraction

Practise adding and subtracting with things around the house!

  • 1Put some grapes on a plate. Eat a few — how many are left?
  • 2Count your toys. Borrow some from a sibling and count the total.
  • 3Roll two dice and add the numbers together. Can you get to 20?
  • 4Make up your own word problems for a family member to solve.
74

Home Activity: Addition & Subtraction Games

Play these fun games to practise your addition and subtraction!

  • 1Play 'I Spy a Number': say 'I am thinking of a number. If you add 6, you get 13. What is it?'
  • 2Use a deck of cards (remove face cards). Flip two cards and add or subtract them.
  • 3Set up a toy shop with price tags to 20. Practise paying and getting change.
  • 4Count steps as you walk. How many more steps to get to 20?
  • 5Line up coins or buttons. Take some away and count how many are left.

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Solve practical problems involving equal sharing and grouping