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.

___81
5___1
20___16
136___
___32
21___
12___10
42___
13___9
1914___
___11
4___1
20___12
___38
16___11
___155
74___
108___
20___3
10___2
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