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.

4___1
___910
7___4
5___3
64___
1716___
10___4
9___3
8___2
9___1
53___
10___9
17___13
19___7
___12
___31
43___
___515
7___1
13___3
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