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.

81___
___217
5___4
12___8
8___6
___711
9___1
159___
164___
15___4
___144
63___
42___
17___15
19___15
96___
4___1
21___
17___4
21___
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