Addition Worksheet

Solve.

1 a. _________ + 8 + 300 = 308
 
1 b. _________ + 700 + 50 = 751
 
2 a. _________ + 9 + 200 = 219
 
2 b. _________ + 30 + 300 = 336
 
3 a. 4 + _________ + 900 = 914
 
3 b. _________ + 500 + 90 = 594
 
4 a. 0 + _________ + 200 = 260
 
4 b. 50 + 3 + _________ = 953
 
5 a. _________ + 200 + 80 = 287
 
5 b. 40 + _________ + 400 = 444
 
6 a. 4 + _________ + 400 = 484
 
6 b. 6 + ______ + 100 = 106
 
7 a. 5 + _________ + 500 = 545
 
7 b. _________ + 20 + 600 = 622
 
8 a. _________ + 80 + 8 = 988
 
8 b. 60 + 7 + _________ = 667
 
Page 2

Answer Key

1 a. 0    
1 b. 1    
2 a. 10    
2 b. 6    
3 a. 10    
3 b. 4    
4 a. 60    
4 b. 900    
5 a. 7    
5 b. 4    
6 a. 80    
6 b. 0    
7 a. 40    
7 b. 2    
8 a. 900    
8 b. 600    


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