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___
17___6
4___3
1814___
2___1
___121
146___
42___
18___9
16___10
71___
5___4
32___
5___1
8___6
3___2
21___
17___11
129___
103___
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