Addition Worksheet

Solve.

1 a. 5 + 30 + 200 = ________
1 b. 3 + 40 + 200 = ________
2 a. 8 + 40 + 900 = ________
2 b. 2 + 40 + 800 = ________
3 a. 90 + 5 + 400 = ________
3 b. 1 + 700 + 10 = ________
4 a. 6 + 60 + 600 = ________
4 b. 9 + 80 + 100 = ________
5 a. 8 + 30 + 700 = ________
5 b. 8 + 90 + 600 = ________
6 a. 0 + 60 + 500 = ________
6 b. 100 + 0 + 9 = ________
7 a. 400 + 70 + 8 = ________
7 b. 100 + 10 + 5 = ________
8 a. 4 + 80 + 300 = ________
8 b. 500 + 20 + 1 = ________
9 a. 7 + 300 + 40 = ________
9 b. 90 + 6 + 500 = ________
10 a. 8 + 40 + 400 = ________
10 b. 80 + 9 + 600 = ________
Page 2

Answer Key

1 a. 235    
1 b. 243    
2 a. 948    
2 b. 842    
3 a. 495    
3 b. 711    
4 a. 666    
4 b. 189    
5 a. 738    
5 b. 698    
6 a. 560    
6 b. 109    
7 a. 478    
7 b. 115    
8 a. 384    
8 b. 521    
9 a. 347    
9 b. 596    
10 a. 448    
10 b. 689    


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