Addition Worksheet

Solve.

1 a. _________ + 600 + 40 = 647
 
1 b. 0 + ______ + 100 = 100
 
2 a. 6 + _________ + 400 = 496
 
2 b. 0 + 20 + _________ = 920
 
3 a. 40 + 2 + _________ = 642
 
3 b. _________ + 90 + 4 = 594
 
4 a. 10 + _________ + 200 = 217
 
4 b. _________ + 60 + 9 = 269
 
5 a. 4 + _________ + 60 = 264
 
5 b. 100 + _________ + 9 = 159
 
6 a. 20 + 1 + _________ = 921
 
6 b. _________ + 90 + 400 = 491
 
7 a. 80 + _________ + 800 = 883
 
7 b. 9 + _________ + 600 = 639
 
8 a. 1 + 300 + _________ = 301
 
8 b. 700 + _________ + 6 = 756
 
Page 2

Answer Key

1 a. 7    
1 b. 0    
2 a. 90    
2 b. 900    
3 a. 600    
3 b. 500    
4 a. 7    
4 b. 200    
5 a. 200    
5 b. 50    
6 a. 900    
6 b. 1    
7 a. 3    
7 b. 30    
8 a. 0    
8 b. 50    


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