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.

12___11
1710___
1812___
___83
64___
18___9
6___5
12___1
___78
5___4
___12
128___
___77
3___1
6___5
21___
1410___
___11
19___6
10___8
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