Addition Worksheet

Solve.

1 a. 600 + 100 + 500 = ________
1 b. 900 + 200 + 600 = ________
2 a. 300 + 900 + 500 = ________
2 b. 900 + 700 + 500 = ________
3 a. 100 + 800 + 200 = ________
3 b. 900 + 600 + 900 = ________
4 a. 200 + 200 + 200 = ________
4 b. 900 + 100 + 900 = ________
5 a. 200 + 900 + 100 = ________
5 b. 900 + 200 + 900 = ________
6 a. 300 + 800 + 200 = ________
6 b. 300 + 500 + 400 = ________
7 a. 100 + 500 + 400 = ________
7 b. 600 + 800 + 400 = ________
Page 2

Answer Key

1 a. 1200    
1 b. 1700    
2 a. 1700    
2 b. 2100    
3 a. 1100    
3 b. 2400    
4 a. 600    
4 b. 1900    
5 a. 1200    
5 b. 2000    
6 a. 1300    
6 b. 1200    
7 a. 1000    
7 b. 1800    


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