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___
1715___
___12
115___
19___13
___33
___121
172___
1711___
156___
18___12
___21
129___
141___
10___1
12___11
8___4
___31
1910___
5___2
🔄 Generate New