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.

53___
13___1
___217
2___1
1311___
139___
9___2
21___
3___1
32___
104___
14___10
159___
2010___
16___8
146___
1513___
18___14
19___6
___117
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