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.

18___17
6___2
91___
17___16
11___9
8___2
72___
20___16
18___13
___15
31___
139___
107___
___161
20___5
16___13
17___13
1814___
87___
21___
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