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.

20___15
7___1
42___
162___
9___4
32___
6___2
___51
16___15
___25
___78
___511
20___7
86___
42___
___78
62___
171___
___61
12___10
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