Addition Worksheet

Solve.

1 a. 600 + _________ = 900
1 b. _________ + 1000 = 1800
2 a. 1000 + _________ = 1100
2 b. _________ + 1000 = 1000
3 a. _________ + 600 = 800
3 b. _________ + 500 = 1200
4 a. _________ + 300 = 1100
4 b. 800 + _________ = 1400
5 a. 0 + _________ = 200
5 b. 200 + _________ = 300
6 a. 900 + _________ = 1000
6 b. 400 + _________ = 400
7 a. _________ + 900 = 1500
7 b. _________ + 300 = 400
Page 2

Answer Key

1 a. 300    
1 b. 800    
2 a. 100    
2 b. 0    
3 a. 200    
3 b. 700    
4 a. 800    
4 b. 600    
5 a. 200    
5 b. 100    
6 a. 100    
6 b. 0    
7 a. 600    
7 b. 100    


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