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.

4___2
___21
___11
13___5
___23
13___1
___79
32___
18___2
4___1
15___11
9___3
117___
___13
___315
___11
1610___
9___5
___61
174___
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