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.

4___2
12___8
___21
___16
31___
54___
86___
8___4
135___
7___2
2017___
104___
21___
___109
115___
173___
11___3
151___
21___
209___
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