Addition Worksheet

Solve.

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

Answer Key

1 a. 210    
1 b. 210    
2 a. 210    
2 b. 140    
3 a. 150    
3 b. 110    
4 a. 160    
4 b. 130    
5 a. 160    
5 b. 140    
6 a. 100    
6 b. 110    
7 a. 160    
7 b. 70    
8 a. 180    
8 b. 130    
9 a. 160    
9 b. 210    
10 a. 80    
10 b. 170    

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