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.

2011___
17___3
___31
18___16
109___
21___
___32
43___
___123
10___9
14___2
19___8
2___1
___51
177___
___11
13___5
153___
31___
7___1
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