Addition Worksheet

Solve.

1 a. _________ + 50 + 700 = 750
1 b. 80 + 2 + _________ = 882
2 a. _________ + 60 + 900 = 965
2 b. _________ + 500 + 90 = 592
3 a. 500 + 80 + _________ = 589
3 b. _________ + 1 + 600 = 611
4 a. 6 + _________ + 200 = 226
4 b. _________ + 30 + 900 = 937
5 a. 4 + 80 + _________ = 984
5 b. 900 + _________ + 4 = 974
6 a. 800 + 40 + _________ = 843
6 b. 5 + 800 + _________ = 805
7 a. 50 + _________ + 200 = 253
7 b. _________ + 90 + 500 = 595
8 a. 300 + _________ + 1 = 351
8 b. 900 + 80 + _________ = 989
9 a. 1 + 10 + _________ = 411
9 b. 400 + 80 + _________ = 481
10 a. _________ + 90 + 100 = 190
10 b. 700 + 20 + _________ = 720
Page 2

Answer Key

1 a. 0    
1 b. 800    
2 a. 5    
2 b. 2    
3 a. 9    
3 b. 10    
4 a. 20    
4 b. 7    
5 a. 900    
5 b. 70    
6 a. 3    
6 b. 0    
7 a. 3    
7 b. 5    
8 a. 50    
8 b. 9    
9 a. 400    
9 b. 1    
10 a. 0    
10 b. 0    


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