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.

63___
18___14
4___3
21___
___41
___21
___115
5___3
171___
17___8
21___
1211___
___411
64___
___37
17___5
156___
___104
12___1
157___
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