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
___21
13___8
129___
8___1
11___3
___141
21___
3___2
64___
20___4
10___5
___111
31___
8___6
41___
6___5
21___
___17
11___1
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