Addition Worksheet

Solve.

1 a. 600 + _________ = 1400
1 b. 200 + _________ = 1100
2 a. _________ + 0 = 1000
2 b. _________ + 500 = 600
3 a. _________ + 1000 = 1000
3 b. _________ + 400 = 800
4 a. 600 + _________ = 1000
4 b. 500 + _________ = 1200
5 a. _________ + 300 = 600
5 b. _________ + 900 = 1900
6 a. 500 + _________ = 900
6 b. 0 + _________ = 500
7 a. 0 + _________ = 600
7 b. _________ + 500 = 1100
8 a. _________ + 0 = 600
8 b. 900 + _________ = 1000
9 a. _________ + 100 = 900
9 b. _________ + 700 = 1400
10 a. _________ + 600 = 600
10 b. 800 + _________ = 1800
Page 2

Answer Key

1 a. 800    
1 b. 900    
2 a. 1000    
2 b. 100    
3 a. 0    
3 b. 400    
4 a. 400    
4 b. 700    
5 a. 300    
5 b. 1000    
6 a. 400    
6 b. 500    
7 a. 600    
7 b. 600    
8 a. 600    
8 b. 100    
9 a. 800    
9 b. 700    
10 a. 0    
10 b. 1000    


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