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.

15___2
6___5
20___11
17___2
13___2
13___4
31___
___42
14___12
___53
16___13
11___10
___512
9___5
21___
6___3
20___5
108___
___21
51___
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