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.

13___12
5___2
10___5
21___
14___9
5___4
51___
11___10
123___
___142
162___
1810___
16___4
133___
83___
1310___
1912___
101___
7___4
141___
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