Addition Worksheet

Solve.

1 a. 1000 + _________ = 1900
1 b. _________ + 500 = 900
2 a. 0 + _________ = 200
2 b. 700 + _________ = 1000
3 a. _________ + 300 = 500
3 b. 400 + _________ = 900
4 a. _________ + 300 = 800
4 b. 500 + _________ = 900
5 a. _________ + 900 = 900
5 b. _________ + 700 = 1000
6 a. _________ + 1000 = 1300
6 b. _________ + 1000 = 1700
7 a. 100 + _________ = 1100
7 b. 1000 + _________ = 1700
Page 2

Answer Key

1 a. 900    
1 b. 400    
2 a. 200    
2 b. 300    
3 a. 200    
3 b. 500    
4 a. 500    
4 b. 400    
5 a. 0    
5 b. 300    
6 a. 300    
6 b. 700    
7 a. 1000    
7 b. 700    


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