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.

18___5
___12
31___
___13
18___2
19___3
43___
31___
21___
14___1
155___
4___2
___41
31___
31___
___111
17___7
2___1
86___
___171
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