Addition Worksheet

Solve.

1 a. _________ + 40 + 8 = 848
 
1 b. 4 + 0 + ______ = 204
 
2 a. 800 + 70 + _________ = 874
 
2 b. 3 + _________ + 600 = 623
 
3 a. 5 + _________ + 900 = 905
 
3 b. 400 + 40 + _________ = 443
 
4 a. 0 + 700 + _________ = 770
 
4 b. _________ + 60 + 4 = 364
 
5 a. ______ + 10 + 100 = 112
 
5 b. 3 + 80 + _________ = 483
 
6 a. 7 + _________ + 900 = 937
 
6 b. 7 + _________ + 300 = 307
 
7 a. _________ + 90 + 900 = 991
 
7 b. _________ + 60 + 8 = 468
 
8 a. 1 + 70 + _________ = 571
 
8 b. _________ + 10 + 8 = 518
 
Page 2

Answer Key

1 a. 800    
1 b. 200    
2 a. 4    
2 b. 20    
3 a. 0    
3 b. 3    
4 a. 70    
4 b. 300    
5 a. 2    
5 b. 400    
6 a. 30    
6 b. 0    
7 a. 1    
7 b. 400    
8 a. 500    
8 b. 500    


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