Addition Worksheet

Solve.

1 a. 100 + _________ = 700
1 b. _________ + 1000 = 1400
2 a. _________ + 200 = 900
2 b. ______ + 100 = 100
3 a. _________ + 400 = 1400
3 b. _________ + 200 = 600
4 a. _________ + 0 = 300
4 b. _________ + 300 = 1300
5 a. _________ + 800 = 1700
5 b. _________ + 500 = 1300
6 a. 400 + _________ = 1100
6 b. _________ + 300 = 900
7 a. _________ + 700 = 1000
7 b. _________ + 800 = 1500
8 a. 600 + _________ = 1100
8 b. _________ + 600 = 1100
9 a. _________ + 100 = 800
9 b. _________ + 500 = 900
10 a. _________ + 1000 = 1600
10 b. 600 + _________ = 1500
Page 2

Answer Key

1 a. 600    
1 b. 400    
2 a. 700    
2 b. 0    
3 a. 1000    
3 b. 400    
4 a. 300    
4 b. 1000    
5 a. 900    
5 b. 800    
6 a. 700    
6 b. 600    
7 a. 300    
7 b. 700    
8 a. 500    
8 b. 500    
9 a. 700    
9 b. 400    
10 a. 600    
10 b. 900    


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