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.

___37
52___
6___3
3___1
4___1
18___5
2___1
159___
1715___
20___13
52___
7___3
13___8
10___4
171___
6___3
74___
64___
63___
16___7
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