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.

___512
17___4
21___
18___7
___17
9___1
___64
74___
8___4
16___9
___12
165___
11___8
16___15
62___
6___3
1413___
___18
10___6
14___5
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