# Subtracting up to 20 - Number Bonds (3)

In this worksheet, students must simply know their subtraction number bonds up to 20. No explanations are given.

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Add and Subtract to 20

Difficulty level:

### QUESTION 1 of 10

In this worksheet, you must know your subtracting number bonds up to 20.

And that means knowing them off by heart.

Example

16 - 9

7

Remember

14 - 10 = 4 and 17 - 10 = 7 and so on.

16 - 6 10 and 18 - 8 = 10 and so on.

5 - 0 = 5 and 19 - 0 = 19 and so on.

8 - 8 = 0 and 12 - 12 = 0 and so on.

12 - 5

11 - 2

16 - 5

16 - 11

13 - 4

14 - 7

12 - 9

11 - 5

16 - 9

17 - 9

• Question 1

12 - 5

7
• Question 2

11 - 2

9
• Question 3

16 - 5

11
• Question 4

16 - 11

5
• Question 5

13 - 4

9
• Question 6

14 - 7

7
• Question 7

12 - 9

3
• Question 8

11 - 5

6
• Question 9

16 - 9

7
• Question 10

17 - 9

8
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