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.

21___
3___2
41___
41___
17___11
2013___
10___1
1615___
___21
2___1
146___
136___
___410
18___10
___13
19___17
20___8
8___4
3___2
___314
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