Addition Worksheet

Solve.

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

Answer Key

1 a. 686    
1 b. 954    
2 a. 432    
2 b. 818    
3 a. 661    
3 b. 738    
4 a. 766    
4 b. 203    
5 a. 511    
5 b. 863    
6 a. 628    
6 b. 714    
7 a. 992    
7 b. 599    


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