Addition Worksheet

Solve.

1 a. _________ + 700 + 70 = 778
 
1 b. _________ + 30 + 900 = 933
 
2 a. 0 + 4 + ______ = 204
 
2 b. _________ + 5 + 100 = 195
 
3 a. ______ + 100 + 80 = 184
 
3 b. 9 + 50 + _________ = 459
 
4 a. _________ + 20 + 700 = 721
 
4 b. 9 + _________ + 900 = 979
 
5 a. 8 + 500 + _________ = 578
 
5 b. 3 + 90 + _________ = 693
 
6 a. 0 + _________ + 80 = 980
 
6 b. 1 + _________ + 900 = 911
 
7 a. 60 + _________ + 300 = 361
 
7 b. _________ + 500 + 70 = 570
 
8 a. 70 + _________ + 200 = 275
 
8 b. 1 + _________ + 40 = 641
 
Page 2

Answer Key

1 a. 8    
1 b. 3    
2 a. 200    
2 b. 90    
3 a. 4    
3 b. 400    
4 a. 1    
4 b. 70    
5 a. 70    
5 b. 600    
6 a. 900    
6 b. 10    
7 a. 1    
7 b. 0    
8 a. 5    
8 b. 600    


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