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___5
12___4
20___10
11___3
42___
13___9
5___4
19___18
16___9
___313
7___1
63___
32___
1513___
43___
17___2
19___3
8___2
31___
___513
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