  # Subtracting up to 20 - Number Bonds (1)

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:   #### Worksheet Overview

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

And that means knowing them off by heart.

Example

18 - 3

15

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.

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