Addition Worksheet

Solve.

1 a. _________ + 500 = 700
1 b. 300 + _________ = 900
2 a. 500 + _________ = 600
2 b. 200 + _________ = 1200
3 a. 1000 + _________ = 1500
3 b. _________ + 600 = 1600
4 a. 100 + _________ = 700
4 b. _________ + 600 = 1000
5 a. _________ + 900 = 1800
5 b. 600 + _________ = 1200
6 a. _________ + 0 = 700
6 b. _________ + 700 = 1400
7 a. 400 + _________ = 1300
7 b. _________ + 600 = 1300
Page 2

Answer Key

1 a. 200    
1 b. 600    
2 a. 100    
2 b. 1000    
3 a. 500    
3 b. 1000    
4 a. 600    
4 b. 400    
5 a. 900    
5 b. 600    
6 a. 700    
6 b. 700    
7 a. 900    
7 b. 700    


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