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.

181___
17___1
21___
6___3
141___
19___14
31___
121___
52___
74___
1513___
174___
2011___
9___3
8___2
11___2
9___8
21___
21___
16___15
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