Addition Worksheet

Solve.

1 a. 90 + 4 + 500 = ________
1 b. 2 + 100 + 0 = ________
2 a. 10 + 8 + 500 = ________
2 b. 7 + 0 + 700 = ________
3 a. 4 + 80 + 800 = ________
3 b. 0 + 70 + 200 = ________
4 a. 70 + 1 + 600 = ________
4 b. 0 + 1 + 200 = ________
5 a. 7 + 400 + 0 = ________
5 b. 800 + 70 + 4 = ________
6 a. 2 + 20 + 400 = ________
6 b. 1 + 70 + 300 = ________
7 a. 9 + 400 + 70 = ________
7 b. 50 + 0 + 200 = ________
8 a. 6 + 40 + 600 = ________
8 b. 3 + 40 + 300 = ________
9 a. 2 + 90 + 400 = ________
9 b. 800 + 70 + 3 = ________
10 a. 1 + 70 + 400 = ________
10 b. 600 + 40 + 6 = ________
Page 2

Answer Key

1 a. 594    
1 b. 102    
2 a. 518    
2 b. 707    
3 a. 884    
3 b. 270    
4 a. 671    
4 b. 201    
5 a. 407    
5 b. 874    
6 a. 422    
6 b. 371    
7 a. 479    
7 b. 250    
8 a. 646    
8 b. 343    
9 a. 492    
9 b. 873    
10 a. 471    
10 b. 646    


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