Addition Worksheet

Solve.

1 a. 140 + 20 = ________
1 b. 850 + 40 = ________
2 a. 840 + 10 = ________
2 b. 610 + 20 = ________
3 a. 750 + 40 = ________
3 b. 670 + 10 = ________
4 a. 530 + 20 = ________
4 b. 300 + 20 = ________
5 a. 640 + 10 = ________
5 b. 600 + 70 = ________
6 a. 280 + 10 = ________
6 b. 410 + 60 = ________
7 a. 800 + 20 = ________
7 b. 270 + 20 = ________
8 a. 240 + 20 = ________
8 b. 210 + 20 = ________
9 a. 450 + 40 = ________
9 b. 930 + 40 = ________
10 a. 660 + 30 = ________
10 b. 140 + 40 = ________
Page 2

Answer Key

1 a. 160    
1 b. 890    
2 a. 850    
2 b. 630    
3 a. 790    
3 b. 680    
4 a. 550    
4 b. 320    
5 a. 650    
5 b. 670    
6 a. 290    
6 b. 470    
7 a. 820    
7 b. 290    
8 a. 260    
8 b. 230    
9 a. 490    
9 b. 970    
10 a. 690    
10 b. 180    


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