Addition Worksheet

Solve.

1 a. 2 + 0 + 300 = ________
1 b. 6 + 300 + 20 = ________
2 a. 90 + 5 + 100 = ________
2 b. 4 + 80 + 200 = ________
3 a. 90 + 3 + 100 = ________
3 b. 1 + 20 + 200 = ________
4 a. 700 + 10 + 3 = ________
4 b. 70 + 2 + 500 = ________
5 a. 5 + 400 + 30 = ________
5 b. 800 + 50 + 4 = ________
6 a. 6 + 100 + 30 = ________
6 b. 2 + 60 + 700 = ________
7 a. 90 + 9 + 800 = ________
7 b. 8 + 40 + 900 = ________
8 a. 4 + 100 + 90 = ________
8 b. 9 + 40 + 200 = ________
9 a. 4 + 10 + 200 = ________
9 b. 4 + 40 + 800 = ________
10 a. 40 + 1 + 100 = ________
10 b. 2 + 0 + 400 = ________
Page 2

Answer Key

1 a. 302    
1 b. 326    
2 a. 195    
2 b. 284    
3 a. 193    
3 b. 221    
4 a. 713    
4 b. 572    
5 a. 435    
5 b. 854    
6 a. 136    
6 b. 762    
7 a. 899    
7 b. 948    
8 a. 194    
8 b. 249    
9 a. 214    
9 b. 844    
10 a. 141    
10 b. 402    


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