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.

9___6
138___
15___12
4___3
31___
14___1
6___4
9___5
16___2
72___
___42
___16
20___9
11___6
18___3
9___7
___66
___217
13___2
137___
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