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___12
18___4
___14
___135
___23
17___4
7___3
14___8
15___4
___102
1711___
16___9
___77
144___
___313
87___
___37
15___11
20___17
10___1
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