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.

13___3
___12
15___12
1411___
17___9
11___6
___11
___11
21___
___35
8___1
8___3
31___
20___14
14___6
52___
___64
___14
10___4
___411
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