Number Bonds: Adding up to 20 (3)

In this worksheet, students must simply know their addition 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:

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Worksheet Overview

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

And that means knowing them off by heart.

Example

4 + 8

Answer

Remember

4 + 8 is the same as 8 + 4.

10 + 6 = 16 and 10 + 7 = 17 and so on.

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

7 + 7 is twice 7 so 7 + 7 = 14.

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Preview activity

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