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.

15___5
20___5
___217
51___
137___
82___
83___
___21
20___2
___11
5___3
13___11
16___11
___82
16___13
3___1
5___1
9___7
___73
3___1
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