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.

18___15
___34
62___
21___
10___4
115___
205___
21___
63___
___910
5___4
8___3
___513
___43
41___
81___
17___16
13___9
10___5
4___1
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