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.

21___
163___
41___
18___13
157___
9___5
43___
___89
51___
1312___
8___1
2015___
2___1
18___8
___710
18___9
4___3
31___
119___
4___3
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