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.

31___
1912___
___19
___51
___22
8___1
2___1
20___3
42___
1210___
20___14
21___
105___
6___5
___28
156___
13___12
61___
___82
1813___
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