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.

1917___
1211___
3___2
9___4
2___1
1510___
___141
81___
7___2
___141
21___
1913___
___25
5___3
63___
86___
121___
10___2
___84
144___
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