Addition Worksheet

Solve.

1 a. _________ + 224 = 800
 
 
1 b. 401 + _________ = 500
 
 
2 a. 305 + _________ = 700
 
 
2 b. 550 + _________ = 900
 
 
3 a. 120 + _________ = 200
 
 
3 b. _________ + 219 = 800
 
 
4 a. 42 + _________ = 1000
 
 
4 b. _________ + 19 = 900
 
 
5 a. _________ + 99 = 800
 
 
5 b. _________ + 249 = 400
 
 
6 a. _________ + 47 = 300
 
 
6 b. 296 + _________ = 700
 
 
7 a. _________ + 851 = 1000
 
 
7 b. _________ + 769 = 800
 
 
8 a. 541 + _________ = 600
 
 
8 b. _________ + 407 = 900
 
 
9 a. _________ + 1 = 500
 
 
9 b. _________ + 286 = 600
 
 
10 a. 256 + _________ = 300
 
 
10 b. 465 + _________ = 900
 
 
Page 2

Answer Key

1 a. 576    
1 b. 99    
2 a. 395    
2 b. 350    
3 a. 80    
3 b. 581    
4 a. 958    
4 b. 881    
5 a. 701    
5 b. 151    
6 a. 253    
6 b. 404    
7 a. 149    
7 b. 31    
8 a. 59    
8 b. 493    
9 a. 499    
9 b. 314    
10 a. 44    
10 b. 435    


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