Addition Worksheet

Solve.

1 a. _________ + 700 = 700
1 b. _________ + 800 = 1800
2 a. _________ + 100 = 700
2 b. _________ + 500 = 1400
3 a. _________ + 400 = 400
3 b. _________ + 300 = 800
4 a. _________ + 400 = 1300
4 b. _________ + 0 = 500
5 a. _________ + 700 = 1000
5 b. _________ + 400 = 1400
6 a. _________ + 300 = 300
6 b. _________ + 200 = 300
7 a. 600 + _________ = 1300
7 b. _________ + 700 = 900
8 a. 1000 + _________ = 1300
8 b. 700 + _________ = 1700
9 a. _________ + 800 = 800
9 b. 300 + _________ = 400
10 a. _________ + 200 = 900
10 b. 600 + _________ = 800
Page 2

Answer Key

1 a. 0    
1 b. 1000    
2 a. 600    
2 b. 900    
3 a. 0    
3 b. 500    
4 a. 900    
4 b. 500    
5 a. 300    
5 b. 1000    
6 a. 0    
6 b. 100    
7 a. 700    
7 b. 200    
8 a. 300    
8 b. 1000    
9 a. 0    
9 b. 100    
10 a. 700    
10 b. 200    


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