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.

15___1
2011___
18___11
10___2
___102
74___
___215
5___2
7___3
7___1
109___
61___
1310___
___21
8___5
16___14
114___
31___
___19
63___
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