Addition Worksheet

Solve.

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

Answer Key

1 a. 60    
1 b. 90    
2 a. 150    
2 b. 100    
3 a. 170    
3 b. 110    
4 a. 40    
4 b. 180    
5 a. 130    
5 b. 170    
6 a. 80    
6 b. 120    
7 a. 100    
7 b. 130    
8 a. 120    
8 b. 40    


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