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___
13___11
3___1
6___5
19___13
17___9
43___
20___13
175___
3___1
4___3
20___13
166___
108___
7___6
146___
2___1
___31
___812
12___11
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