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.

20___9
20___4
121___
13___4
13___5
18___7
10___3
12___2
___31
___53
6___5
___19
32___
17___10
4___1
133___
17___12
12___1
3___1
7___3
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