Addition Worksheet

Solve.

1 a. _________ + 100 = 800
1 b. _________ + 400 = 600
2 a. 1000 + _________ = 1900
2 b. 900 + _________ = 1800
3 a. 0 + _________ = 800
3 b. 200 + _________ = 700
4 a. _________ + 700 = 1300
4 b. _________ + 800 = 1400
5 a. _________ + 300 = 300
5 b. _________ + 500 = 700
6 a. ____________ + 1000 = 2000
6 b. _________ + 200 = 600
7 a. 1000 + _________ = 1700
7 b. 800 + _________ = 1000
Page 2

Answer Key

1 a. 700    
1 b. 200    
2 a. 900    
2 b. 900    
3 a. 800    
3 b. 500    
4 a. 600    
4 b. 600    
5 a. 0    
5 b. 200    
6 a. 1000    
6 b. 400    
7 a. 700    
7 b. 200    


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