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.

___31
43___
15___13
20___19
5___1
10___9
___34
___31
132___
8___1
19___3
___610
15___10
___32
1310___
53___
___128
1812___
___512
14___5
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