Addition Worksheet

Solve.

1 a. 63 + _________ = 700
 
 
1 b. 635 + _________ = 700
 
 
2 a. 147 + _________ = 600
 
 
2 b. _________ + 774 = 800
 
 
3 a. 428 + _________ = 500
 
 
3 b. ______ + 31 = 100
 
 
4 a. 143 + _________ = 1000
 
 
4 b. _________ + 122 = 900
 
 
5 a. _________ + 467 = 700
 
 
5 b. 293 + _________ = 1000
 
 
6 a. _________ + 570 = 900
 
 
6 b. 104 + _________ = 200
 
 
7 a. _________ + 169 = 200
 
 
7 b. _________ + 395 = 1000
 
 
8 a. 500 + _________ = 800
 
 
8 b. 31 + _________ = 500
 
 
9 a. _________ + 228 = 700
 
 
9 b. 300 + _________ = 600
 
 
10 a. 438 + _________ = 900
 
 
10 b. _________ + 184 = 600
 
 
Page 2

Answer Key

1 a. 637    
1 b. 65    
2 a. 453    
2 b. 26    
3 a. 72    
3 b. 69    
4 a. 857    
4 b. 778    
5 a. 233    
5 b. 707    
6 a. 330    
6 b. 96    
7 a. 31    
7 b. 605    
8 a. 300    
8 b. 469    
9 a. 472    
9 b. 300    
10 a. 462    
10 b. 416    

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