Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

4___3
19___1
21___
20___18
13___9
___121
___613
116___
17___15
105___
12___8
53___
___12
2___1
52___
6___1
2016___
___71
14___5
13___8
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