Addition Worksheet

Solve.

1 a. 4 + 100 + 60 = ________
1 b. 7 + 90 + 900 = ________
2 a. 4 + 50 + 600 = ________
2 b. 6 + 90 + 100 = ________
3 a. 4 + 200 + 40 = ________
3 b. 500 + 30 + 9 = ________
4 a. 2 + 20 + 600 = ________
4 b. 5 + 300 + 60 = ________
5 a. 3 + 0 + 500 = ________
5 b. 6 + 50 + 700 = ________
6 a. 200 + 90 + 8 = ________
6 b. 500 + 30 + 4 = ________
7 a. 500 + 10 + 1 = ________
7 b. 700 + 60 + 7 = ________
8 a. 300 + 30 + 9 = ________
8 b. 9 + 50 + 600 = ________
9 a. 10 + 6 + 400 = ________
9 b. 700 + 90 + 8 = ________
10 a. 9 + 80 + 400 = ________
10 b. 1 + 30 + 800 = ________
Page 2

Answer Key

1 a. 164    
1 b. 997    
2 a. 654    
2 b. 196    
3 a. 244    
3 b. 539    
4 a. 622    
4 b. 365    
5 a. 503    
5 b. 756    
6 a. 298    
6 b. 534    
7 a. 511    
7 b. 767    
8 a. 339    
8 b. 659    
9 a. 416    
9 b. 798    
10 a. 489    
10 b. 831    


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