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.

1614___
1810___
156___
12___1
20___15
139___
15___14
2015___
___118
18___17
157___
___111
8___4
___21
63___
208___
134___
42___
52___
___12
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