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.

177___
20___17
14___10
___131
___13
___11
___711
112___
___110
7___5
1514___
74___
___124
9___7
2013___
3___1
19___10
12___7
31___
___21
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