Addition Worksheet

Solve.

1 a. 0 + 200 + 20 = ________
1 b. 9 + 20 + 700 = ________
2 a. 30 + 7 + 100 = ________
2 b. 500 + 90 + 8 = ________
3 a. 9 + 900 + 0 = ________
3 b. 70 + 3 + 300 = ________
4 a. 0 + 90 + 300 = ________
4 b. 7 + 300 + 70 = ________
5 a. 0 + 600 + 80 = ________
5 b. 7 + 10 + 900 = ________
6 a. 3 + 70 + 500 = ________
6 b. 6 + 60 + 300 = ________
7 a. 6 + 80 + 600 = ________
7 b. 8 + 10 + 200 = ________
Page 2

Answer Key

1 a. 220    
1 b. 729    
2 a. 137    
2 b. 598    
3 a. 909    
3 b. 373    
4 a. 390    
4 b. 377    
5 a. 680    
5 b. 917    
6 a. 573    
6 b. 366    
7 a. 686    
7 b. 218    


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