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___
12___9
___101
63___
7___5
___135
5___3
3___1
___12
2___1
61___
21___
51___
21___
2018___
146___
13___8
61___
1410___
3___2
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