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.

111___
___21
198___
4___3
13___2
16___8
52___
___51
13___10
10___4
___111
159___
21___
42___
___317
3___1
7___6
20___15
151___
1817___
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