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.

20___12
___145
86___
3___1
109___
13___11
13___12
5___3
43___
___153
21___
15___14
6___2
119___
189___
1311___
21___
18___15
16___6
___21
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