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___
153___
121___
___163
___47
4___1
___17
173___
16___7
76___
81___
104___
12___9
2___1
71___
42___
14___4
13___9
13___8
___37
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