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.

135___
1713___
17___10
17___7
5___3
15___13
12___7
___21
20___8
___216
108___
128___
___142
21___
2011___
___162
206___
54___
7___6
107___
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