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.

20___1
5___4
___111
___153
10___2
7___1
20___9
2012___
17___16
159___
106___
___15
3___2
5___3
12___9
64___
20___7
11___1
1716___
42___
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