Addition Worksheet

Solve.

1 a. _________ + 700 = 1400
1 b. 600 + _________ = 1400
2 a. 1000 + _________ = 1000
2 b. 400 + _________ = 1200
3 a. _________ + 700 = 1600
3 b. 500 + _________ = 1400
4 a. _________ + 200 = 300
4 b. 1000 + _________ = 1200
5 a. 800 + _________ = 1000
5 b. 200 + _________ = 1200
6 a. _________ + 0 = 600
6 b. 600 + _________ = 600
7 a. 100 + _________ = 300
7 b. 100 + _________ = 1000
8 a. 700 + _________ = 1700
8 b. _________ + 1000 = 1400
9 a. _________ + 0 = 700
9 b. 1000 + ____________ = 2000
10 a. _________ + 800 = 1700
10 b. _________ + 700 = 1300
Page 2

Answer Key

1 a. 700    
1 b. 800    
2 a. 0    
2 b. 800    
3 a. 900    
3 b. 900    
4 a. 100    
4 b. 200    
5 a. 200    
5 b. 1000    
6 a. 600    
6 b. 0    
7 a. 200    
7 b. 900    
8 a. 1000    
8 b. 400    
9 a. 700    
9 b. 1000    
10 a. 900    
10 b. 600    


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