Addition Worksheet

Solve.

1 a. 400 + 30 + 8000 + ____________ = 8433
 
1 b. 8 + 10 + 900 + ____________ = 8918
 
2 a. 4 + 40 + ____________ + 4000 = 4144
 
2 b. _________ + 300 + 3000 + 10 = 3317
 
3 a. 2 + 4000 + ____________ + 70 = 4972
 
3 b. 0 + ____________ + 800 + 10 = 7810
 
4 a. 8 + 80 + 100 + ____________ = 4188
 
4 b. 8 + _________ + 400 + 40 = 1448
 
5 a. 0 + 700 + 1000 + _________ = 1720
 
5 b. 700 + ____________ + 4000 + 2 = 4782
 
6 a. ____________ + 2 + 300 + 8000 = 8322
 
6 b. 8000 + 0 + ____________ + 4 = 8064
 
7 a. 3 + ____________ + 200 + 0 = 8203
 
7 b. 5 + 0 + ____________ + 9000 = 9605
 
8 a. 9000 + 100 + ____________ + 1 = 9121
 
8 b. 5 + 8000 + 100 + ____________ = 8145
 
Page 2

Answer Key

1 a. 3    
1 b. 8000    
2 a. 100    
2 b. 7    
3 a. 900    
3 b. 7000    
4 a. 4000    
4 b. 1000    
5 a. 20    
5 b. 80    
6 a. 20    
6 b. 60    
7 a. 8000    
7 b. 600    
8 a. 20    
8 b. 40    

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