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.

___31
143___
___77
21___
4___1
108___
21___
8___1
___33
___85
52___
1713___
185___
15___5
1411___
116___
129___
206___
2010___
111___
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