Addition Worksheet

Solve.

1 a. 8 + _________ + 700 = 708
 
1 b. _________ + 500 + 10 = 518
 
2 a. 4 + _________ + 900 = 904
 
2 b. 4 + _________ + 300 = 354
 
3 a. 7 + 800 + _________ = 807
 
3 b. _________ + 2 + 900 = 962
 
4 a. 1 + _________ + 300 = 321
 
4 b. _________ + 80 + 9 = 889
 
5 a. 5 + _________ + 700 = 745
 
5 b. _________ + 500 + 30 = 539
 
6 a. 6 + _________ + 60 = 366
 
6 b. _________ + 90 + 8 = 398
 
7 a. 7 + _________ + 400 = 437
 
7 b. 600 + _________ + 5 = 645
 
8 a. _________ + 20 + 500 = 520
 
8 b. 4 + 90 + _________ = 594
 
Page 2

Answer Key

1 a. 0    
1 b. 8    
2 a. 0    
2 b. 50    
3 a. 0    
3 b. 60    
4 a. 20    
4 b. 800    
5 a. 40    
5 b. 9    
6 a. 300    
6 b. 300    
7 a. 30    
7 b. 40    
8 a. 0    
8 b. 500    


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