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.

___39
139___
20___1
14___12
52___
10___3
12___4
15___10
___51
123___
___212
___11
41___
62___
21___
___114
3___2
___213
15___6
83___
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