Addition Worksheet

Solve.

1 a. 6 + 80 + _________ = 186
 
1 b. 1 + 50 + _________ = 951
 
2 a. 2 + 90 + _________ = 192
 
2 b. ______ + 0 + 100 = 109
 
3 a. _________ + 10 + 800 = 813
 
3 b. 200 + _________ + 3 = 243
 
4 a. 0 + 20 + _________ = 620
 
4 b. 9 + _________ + 600 = 639
 
5 a. _________ + 30 + 400 = 432
 
5 b. 3 + _________ + 400 = 413
 
6 a. _________ + 80 + 700 = 781
 
6 b. _________ + 400 + 30 = 431
 
7 a. _________ + 80 + 2 = 582
 
7 b. _________ + 80 + 9 = 789
 
8 a. 7 + 20 + _________ = 127
 
8 b. 500 + _________ + 2 = 562
 
Page 2

Answer Key

1 a. 100    
1 b. 900    
2 a. 100    
2 b. 9    
3 a. 3    
3 b. 40    
4 a. 600    
4 b. 30    
5 a. 2    
5 b. 10    
6 a. 1    
6 b. 1    
7 a. 500    
7 b. 700    
8 a. 100    
8 b. 60    


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