Addition Worksheet

Solve.

1 a. _________ + 700 = 1000
1 b. 100 + _________ = 1000
2 a. _________ + 300 = 1000
2 b. 400 + _________ = 1000
3 a. _________ + 200 = 1000
3 b. _________ + 800 = 1000
4 a. _________ + 500 = 1000
4 b. _________ + 100 = 1000
5 a. 500 + _________ = 1000
5 b. 600 + _________ = 1000
6 a. _________ + 400 = 1000
6 b. _________ + 600 = 1000
7 a. 300 + _________ = 1000
7 b. 200 + _________ = 1000
Page 2

Answer Key

1 a. 300    
1 b. 900    
2 a. 700    
2 b. 600    
3 a. 800    
3 b. 200    
4 a. 500    
4 b. 900    
5 a. 500    
5 b. 400    
6 a. 600    
6 b. 400    
7 a. 700    
7 b. 800    


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