Addition Worksheet

Solve.

1 a. 300 + 80 = ________
1 b. 730 + 30 = ________
2 a. 340 + 50 = ________
2 b. 160 + 20 = ________
3 a. 140 + 30 = ________
3 b. 370 + 20 = ________
4 a. 700 + 60 = ________
4 b. 940 + 30 = ________
5 a. 120 + 10 = ________
5 b. 650 + 30 = ________
6 a. 240 + 20 = ________
6 b. 810 + 80 = ________
7 a. 500 + 90 = ________
7 b. 820 + 30 = ________
8 a. 800 + 70 = ________
8 b. 110 + 30 = ________
9 a. 560 + 30 = ________
9 b. 140 + 40 = ________
10 a. 450 + 40 = ________
10 b. 160 + 30 = ________
Page 2

Answer Key

1 a. 380    
1 b. 760    
2 a. 390    
2 b. 180    
3 a. 170    
3 b. 390    
4 a. 760    
4 b. 970    
5 a. 130    
5 b. 680    
6 a. 260    
6 b. 890    
7 a. 590    
7 b. 850    
8 a. 870    
8 b. 140    
9 a. 590    
9 b. 180    
10 a. 490    
10 b. 190    


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