Addition Worksheet

Solve.

1 a. 3 + _________ + 600 = 663
1 b. 5 + _________ + 900 = 965
2 a. 9 + _________ + 50 = 759
2 b. _________ + 60 + 8 = 768
3 a. _________ + 0 + 500 = 502
3 b. _________ + 0 + 200 = 203
4 a. 5 + 30 + _________ = 335
4 b. 3 + 40 + _________ = 343
5 a. _________ + 20 + 600 = 624
5 b. 8 + 50 + _________ = 258
6 a. _________ + 200 + 60 = 269
6 b. 100 + 80 + _________ = 187
7 a. _________ + 60 + 600 = 667
7 b. _________ + 70 + 3 = 673
Page 2

Answer Key

1 a. 60    
1 b. 60    
2 a. 700    
2 b. 700    
3 a. 2    
3 b. 3    
4 a. 300    
4 b. 300    
5 a. 4    
5 b. 200    
6 a. 9    
6 b. 7    
7 a. 7    
7 b. 600    


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