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
___55
165___
64___
145___
162___
___316
___31
___88
2___1
___22
63___
___171
11___7
19___3
17___6
___69
52___
___42
___31
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