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.

11___3
___511
1511___
13___1
52___
17___4
21___
16___1
53___
10___7
___21
___16
9___7
16___4
2010___
145___
2___1
9___5
16___3
18___14
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