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.

___81
81___
___42
20___19
43___
199___
51___
31___
19___3
5___4
12___9
1917___
9___6
___54
2___1
3___1
___77
31___
172___
___48
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