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.

12___10
17___4
18___12
4___2
5___3
139___
10___5
___11
21___
3___2
153___
155___
15___11
153___
117___
___214
159___
122___
11___9
9___3
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