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.

6___1
___11
___59
20___5
71___
10___9
___13
___32
___43
12___9
137___
___163
6___4
20___10
1910___
___34
14___4
20___15
1210___
___115
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