Addition Worksheet

Solve.

1 a. 1000 + _________ = 1200
1 b. 500 + _________ = 1300
2 a. _________ + 800 = 1600
2 b. 400 + _________ = 1400
3 a. 400 + _________ = 800
3 b. 1000 + _________ = 1500
4 a. 0 + _________ = 900
4 b. 1000 + _________ = 1900
5 a. 900 + _________ = 1000
5 b. _________ + 500 = 800
6 a. ____________ + 1000 = 2000
6 b. 600 + _________ = 1200
7 a. 700 + _________ = 1100
7 b. ______ + 100 = 100
Page 2

Answer Key

1 a. 200    
1 b. 800    
2 a. 800    
2 b. 1000    
3 a. 400    
3 b. 500    
4 a. 900    
4 b. 900    
5 a. 100    
5 b. 300    
6 a. 1000    
6 b. 600    
7 a. 400    
7 b. 0    


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