Addition Worksheet

Solve.

1 a. 700 + 400 + 700 = ________
1 b. 300 + 500 + 300 = ________
2 a. 300 + 300 + 500 = ________
2 b. 300 + 700 + 700 = ________
3 a. 600 + 400 + 500 = ________
3 b. 100 + 100 + 100 = ________
4 a. 800 + 400 + 600 = ________
4 b. 300 + 100 + 200 = ________
5 a. 400 + 500 + 700 = ________
5 b. 800 + 300 + 500 = ________
6 a. 900 + 800 + 200 = ________
6 b. 400 + 400 + 700 = ________
7 a. 200 + 600 + 100 = ________
7 b. 200 + 700 + 100 = ________
8 a. 600 + 400 + 400 = ________
8 b. 700 + 100 + 800 = ________
9 a. 300 + 300 + 300 = ________
9 b. 900 + 600 + 900 = ________
10 a. 600 + 500 + 500 = ________
10 b. 800 + 500 + 200 = ________
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Answer Key

1 a. 1800    
1 b. 1100    
2 a. 1100    
2 b. 1700    
3 a. 1500    
3 b. 300    
4 a. 1800    
4 b. 600    
5 a. 1600    
5 b. 1600    
6 a. 1900    
6 b. 1500    
7 a. 900    
7 b. 1000    
8 a. 1400    
8 b. 1600    
9 a. 900    
9 b. 2400    
10 a. 1600    
10 b. 1500    


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