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___
19___5
31___
6___3
9___7
18___14
10___1
8___6
6___4
31___
14___11
___25
1716___
11___8
1613___
20___7
15___2
111___
___212
1513___
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