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.

10___6
19___15
21___
4___1
129___
11___10
___68
13___4
155___
2___1
101___
___144
15___5
___11
15___3
53___
___21
176___
1913___
21___
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