Addition Worksheet

Solve.

1 a. 50 + ______ + 8 + 5 = 143
1 b. ______ + 40 + 3 + 6 = 69
2 a. 4 + 70 + 2 + ______ = 86
2 b. 60 + 50 + ______ + 4 = 120
3 a. 2 + ______ + 50 + 40 = 98
3 b. 40 + ______ + 5 + 30 = 79
4 a. 8 + 6 + 30 + ______ = 74
4 b. 3 + ______ + 4 + 30 = 67
5 a. 7 + ______ + 90 + 40 = 142
5 b. ______ + 30 + 9 + 40 = 82
6 a. 30 + ______ + 9 + 10 = 58
6 b. 30 + 70 + ______ + 4 = 107
7 a. 30 + ______ + 7 + 5 = 102
7 b. ______ + 90 + 7 + 4 = 141
Page 2

Answer Key

1 a. 80    
1 b. 20    
2 a. 10    
2 b. 6    
3 a. 6    
3 b. 4    
4 a. 30    
4 b. 30    
5 a. 5    
5 b. 3    
6 a. 9    
6 b. 3    
7 a. 60    
7 b. 40    

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