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.

5___1
___26
18___10
21___
41___
51___
11___5
51___
9___4
8___2
1413___
19___10
1813___
143___
43___
___72
13___1
51___
2___1
111___
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