Addition Worksheet

Solve.

1 a. 90 + 2 + 900 = ________
1 b. 6 + 600 + 50 = ________
2 a. 80 + 2 + 700 = ________
2 b. 100 + 30 + 7 = ________
3 a. 8 + 300 + 70 = ________
3 b. 900 + 30 + 4 = ________
4 a. 9 + 700 + 60 = ________
4 b. 9 + 80 + 900 = ________
5 a. 0 + 20 + 800 = ________
5 b. 2 + 70 + 100 = ________
6 a. 1 + 0 + 400 = ________
6 b. 7 + 30 + 100 = ________
7 a. 10 + 5 + 800 = ________
7 b. 6 + 90 + 900 = ________
8 a. 6 + 80 + 800 = ________
8 b. 80 + 6 + 400 = ________
9 a. 0 + 5 + 700 = ________
9 b. 9 + 10 + 200 = ________
10 a. 1 + 60 + 700 = ________
10 b. 5 + 60 + 900 = ________
Page 2

Answer Key

1 a. 992    
1 b. 656    
2 a. 782    
2 b. 137    
3 a. 378    
3 b. 934    
4 a. 769    
4 b. 989    
5 a. 820    
5 b. 172    
6 a. 401    
6 b. 137    
7 a. 815    
7 b. 996    
8 a. 886    
8 b. 486    
9 a. 705    
9 b. 219    
10 a. 761    
10 b. 965    


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