Addition Worksheet

Solve.

1 a. 119 + _________ = 900
 
 
1 b. _________ + 682 = 900
 
 
2 a. 286 + _________ = 300
 
 
2 b. 401 + _________ = 700
 
 
3 a. _________ + 799 = 900
 
 
3 b. _________ + 108 = 600
 
 
4 a. 99 + _________ = 700
 
 
4 b. _________ + 248 = 600
 
 
5 a. _________ + 609 = 800
 
 
5 b. _________ + 115 = 700
 
 
6 a. _________ + 493 = 600
 
 
6 b. _________ + 86 = 200
 
 
7 a. _________ + 274 = 900
 
 
7 b. ______ + 1 = 100
 
 
8 a. _________ + 243 = 900
 
 
8 b. _________ + 186 = 1000
 
 
9 a. _________ + 145 = 900
 
 
9 b. _________ + 567 = 900
 
 
10 a. _________ + 163 = 800
 
 
10 b. 371 + _________ = 400
 
 
Page 2

Answer Key

1 a. 781    
1 b. 218    
2 a. 14    
2 b. 299    
3 a. 101    
3 b. 492    
4 a. 601    
4 b. 352    
5 a. 191    
5 b. 585    
6 a. 107    
6 b. 114    
7 a. 626    
7 b. 99    
8 a. 657    
8 b. 814    
9 a. 755    
9 b. 333    
10 a. 637    
10 b. 29    


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