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.

___51
9___8
124___
15___5
166___
2___1
15___4
21___
20___4
1210___
155___
7___3
5___4
13___10
___67
___33
15___11
17___2
___51
18___4
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