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.

5___4
13___1
1513___
20___5
6___1
___111
11___3
21___
1312___
___98
4___3
85___
21___
15___1
42___
___28
18___11
13___10
113___
51___
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