Addition Worksheet

Solve.

1 a. 500 + _________ = 1100
1 b. _________ + 800 = 1600
2 a. _________ + 800 = 900
2 b. _________ + 600 = 1100
3 a. 800 + _________ = 1100
3 b. _________ + 1000 = 1400
4 a. _________ + 500 = 800
4 b. 0 + _________ = 700
5 a. 1000 + _________ = 1400
5 b. _________ + 700 = 1500
6 a. _________ + 600 = 1000
6 b. 400 + _________ = 800
7 a. 600 + _________ = 1300
7 b. _________ + 500 = 1000
8 a. _________ + 900 = 1200
8 b. 200 + _________ = 1100
9 a. _________ + 1000 = 1900
9 b. 300 + _________ = 300
10 a. _________ + 300 = 500
10 b. _________ + 200 = 1000
Page 2

Answer Key

1 a. 600    
1 b. 800    
2 a. 100    
2 b. 500    
3 a. 300    
3 b. 400    
4 a. 300    
4 b. 700    
5 a. 400    
5 b. 800    
6 a. 400    
6 b. 400    
7 a. 700    
7 b. 500    
8 a. 300    
8 b. 900    
9 a. 900    
9 b. 0    
10 a. 200    
10 b. 800    


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