Addition Worksheet

Solve.

1 a. 10 + 90 + 10 = ______
 
1 b. 60 + 70 + 70 = ______
 
2 a. 30 + 30 + 70 = ______
 
2 b. 20 + 20 + 90 = ______
 
3 a. 20 + 50 + 20 = ______
 
3 b. 10 + 40 + 10 = ______
 
4 a. 90 + 80 + 80 = ______
 
4 b. 70 + 90 + 90 = ______
 
5 a. 90 + 20 + 20 = ______
 
5 b. 10 + 80 + 20 = ______
 
6 a. 50 + 10 + 80 = ______
 
6 b. 70 + 20 + 90 = ______
 
7 a. 70 + 60 + 80 = ______
 
7 b. 80 + 20 + 20 = ______
 
Page 2

Answer Key

1 a. 110    
1 b. 200    
2 a. 130    
2 b. 130    
3 a. 90    
3 b. 60    
4 a. 250    
4 b. 250    
5 a. 130    
5 b. 110    
6 a. 140    
6 b. 180    
7 a. 210    
7 b. 120    


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