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___
9___7
___14
19___4
18___14
___811
20___1
17___13
5___1
19___15
1814___
83___
13___5
169___
15___3
13___1
6___5
2___1
14___12
21___
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