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.

18___3
19___18
___21
61___
17___4
15___7
6___2
1711___
17___2
___21
51___
___21
1613___
11___5
14___13
13___1
75___
___28
175___
15___9
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