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___
___89
199___
6___4
12___9
1710___
7___1
1914___
8___4
18___4
13___4
1715___
32___
41___
___118
18___15
20___16
16___6
9___3
81___
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