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.

139___
81___
1915___
122___
12___3
21___
73___
1911___
20___12
1918___
11___4
9___7
64___
___12
10___1
5___1
10___9
62___
63___
1211___
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