Addition Worksheet

Solve.

1 a. 204 + _________ = 300
 
 
1 b. 527 + _________ = 600
 
 
2 a. 479 + _________ = 900
 
 
2 b. 573 + _________ = 1000
 
 
3 a. 162 + _________ = 600
 
 
3 b. _________ + 257 = 1000
 
 
4 a. _________ + 33 = 900
 
 
4 b. ______ + 69 = 100
 
 
5 a. _________ + 523 = 700
 
 
5 b. _________ + 354 = 600
 
 
6 a. 236 + _________ = 600
 
 
6 b. 376 + _________ = 900
 
 
7 a. 34 + _________ = 200
 
 
7 b. _________ + 328 = 600
 
 
8 a. 134 + _________ = 600
 
 
8 b. _________ + 595 = 1000
 
 
9 a. 790 + _________ = 800
 
 
9 b. 953 + _________ = 1000
 
 
10 a. _________ + 130 = 200
 
 
10 b. 260 + _________ = 400
 
 
Page 2

Answer Key

1 a. 96    
1 b. 73    
2 a. 421    
2 b. 427    
3 a. 438    
3 b. 743    
4 a. 867    
4 b. 31    
5 a. 177    
5 b. 246    
6 a. 364    
6 b. 524    
7 a. 166    
7 b. 272    
8 a. 466    
8 b. 405    
9 a. 10    
9 b. 47    
10 a. 70    
10 b. 140    


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net