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___1
81___
___104
15___13
171___
10___7
7___3
___11
158___
145___
2___1
15___2
5___1
169___
___85
147___
1312___
___109
21___
4___3
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