Addition Worksheet

Solve.

1 a. ______ + 60 + 6 + 10 = 80
1 b. 10 + 30 + ______ + 7 = 55
2 a. 10 + ______ + 5 + 8 = 33
2 b. ______ + 80 + 9 + 7 = 126
3 a. ______ + 40 + 3 + 9 = 112
3 b. 7 + 7 + 40 + ______ = 104
4 a. 40 + 90 + ______ + 9 = 141
4 b. 40 + ______ + 2 + 3 = 55
5 a. 8 + ______ + 5 + 20 = 113
5 b. 6 + 30 + 8 + ______ = 54
6 a. 10 + ______ + 7 + 5 = 52
6 b. ______ + 3 + 3 + 70 = 96
7 a. 4 + ______ + 90 + 20 = 123
7 b. 50 + 90 + ______ + 9 = 154
Page 2

Answer Key

1 a. 4    
1 b. 8    
2 a. 10    
2 b. 30    
3 a. 60    
3 b. 50    
4 a. 2    
4 b. 10    
5 a. 80    
5 b. 10    
6 a. 30    
6 b. 20    
7 a. 9    
7 b. 5    


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net