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.

15___12
1614___
___151
1815___
___72
4___1
7___5
20___18
___37
13___1
98___
___161
___311
41___
7___1
1710___
51___
15___11
128___
91___
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