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.

19___18
61___
13___1
21___
1512___
13___10
31___
133___
31___
173___
104___
4___1
3___1
10___3
11___8
6___1
72___
16___6
7___6
16___6
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