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___
4___3
8___3
61___
20___19
63___
5___3
31___
178___
54___
1810___
2010___
20___8
17___9
2___1
5___2
63___
___41
___164
21___
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