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.

17___11
___99
21___
___121
18___10
169___
83___
13___5
21___
12___6
109___
91___
___17
11___4
1512___
16___15
6___5
___11
___55
152___
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