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.

42___
___59
9___4
143___
6___1
15___6
65___
144___
___12
9___8
___27
139___
147___
32___
20___9
14___5
74___
12___5
19___3
21___
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