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___3
18___17
103___
17___15
12___7
7___2
51___
2___1
17___4
31___
___83
___135
20___13
107___
13___1
14___11
2011___
12___4
131___
136___
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