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.

16___12
31___
173___
___49
5___2
21___
12___8
17___13
4___1
121___
12___7
145___
___66
15___4
4___2
___514
83___
___12
20___10
154___
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