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.

21___
15___10
19___7
1917___
___611
145___
___133
___28
9___5
13___4
107___
___51
9___4
21___
20___7
17___8
131___
15___3
___33
___102
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