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.

13___12
10___6
13___2
___117
21___
2011___
108___
20___3
97___
6___5
___79
107___
1910___
143___
17___11
1410___
20___8
___410
31___
146___
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