Addition Worksheet

Solve.

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

Answer Key

1 a. 924    
1 b. 147    
2 a. 238    
2 b. 307    
3 a. 217    
3 b. 707    
4 a. 902    
4 b. 744    
5 a. 279    
5 b. 771    
6 a. 987    
6 b. 497    
7 a. 467    
7 b. 870    


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