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.

9___4
8___5
20___13
1511___
2___1
135___
9___4
75___
149___
13___7
9___6
63___
82___
___135
53___
14___10
16___7
___11
31___
5___3
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