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Number Bonds: Adding up to 20 (1)

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

'Number Bonds: Adding up to 20 (1)' worksheet

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 adding number bonds up to 20.

And that means knowing them off by heart.

 

Example

 4 + 8

 

Answer

12

 

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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