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.

5___1
21___
2011___
16___5
133___
1713___
129___
73___
___57
134___
___910
109___
19___5
4___2
43___
4___1
136___
18___7
106___
8___3
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