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.

13___10
51___
12___3
___152
18___16
6___5
209___
10___9
2___1
15___12
___12
5___4
___76
109___
11___3
1713___
14___9
20___6
84___
___42
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