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___4
12___6
4___1
5___1
1710___
4___3
13___11
___103
63___
___143
___42
16___11
16___13
___107
145___
117___
15___3
4___3
18___17
3___1
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