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.

2___1
64___
___21
17___1
16___8
___107
___511
96___
___713
21___
10___7
4___2
___23
13___2
21___
84___
65___
2___1
1513___
153___
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