Addition Worksheet

Solve.

1 a. 410 + 80 = ________
1 b. 160 + 30 = ________
2 a. 540 + 40 = ________
2 b. 740 + 10 = ________
3 a. 710 + 40 = ________
3 b. 620 + 20 = ________
4 a. 700 + 50 = ________
4 b. 740 + 30 = ________
5 a. 760 + 30 = ________
5 b. 660 + 10 = ________
6 a. 600 + 60 = ________
6 b. 210 + 80 = ________
7 a. 730 + 20 = ________
7 b. 830 + 40 = ________
8 a. 240 + 10 = ________
8 b. 730 + 60 = ________
9 a. 260 + 30 = ________
9 b. 100 + 40 = ________
10 a. 320 + 40 = ________
10 b. 410 + 30 = ________
Page 2

Answer Key

1 a. 490    
1 b. 190    
2 a. 580    
2 b. 750    
3 a. 750    
3 b. 640    
4 a. 750    
4 b. 770    
5 a. 790    
5 b. 670    
6 a. 660    
6 b. 290    
7 a. 750    
7 b. 870    
8 a. 250    
8 b. 790    
9 a. 290    
9 b. 140    
10 a. 360    
10 b. 440    


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