Addition Worksheet

Solve.

1 a. 2 + 300 + 20 = ________
1 b. 0 + 200 + 40 = ________
2 a. 8 + 900 + 20 = ________
2 b. 5 + 10 + 300 = ________
3 a. 2 + 900 + 60 = ________
3 b. 8 + 300 + 50 = ________
4 a. 6 + 20 + 600 = ________
4 b. 0 + 300 + 10 = ________
5 a. 900 + 60 + 9 = ________
5 b. 9 + 20 + 300 = ________
6 a. 2 + 700 + 80 = ________
6 b. 8 + 90 + 700 = ________
7 a. 0 + 7 + 400 = ________
7 b. 40 + 4 + 600 = ________
Page 2

Answer Key

1 a. 322    
1 b. 240    
2 a. 928    
2 b. 315    
3 a. 962    
3 b. 358    
4 a. 626    
4 b. 310    
5 a. 969    
5 b. 329    
6 a. 782    
6 b. 798    
7 a. 407    
7 b. 644    


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