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___
17___14
14___9
4___1
4___2
1815___
51___
5___4
6___4
6___2
42___
63___
1817___
19___18
___145
11___1
17___2
31___
85___
43___
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