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.

6___4
115___
20___3
20___3
10___4
21___
15___12
53___
43___
51___
21___
8___4
6___3
17___5
___32
3___2
8___3
43___
11___4
___63
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