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.

21___
2___1
51___
2___1
73___
___111
18___2
___128
6___5
64___
8___3
9___2
13___9
___11
9___6
___66
16___6
1912___
2011___
4___3
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