Addition Worksheet

Solve.

1 a. _________ + 13 = 300
 
 
1 b. _________ + 148 = 200
 
 
2 a. 62 + _________ = 300
 
 
2 b. _________ + 125 = 400
 
 
3 a. 545 + _________ = 600
 
 
3 b. 119 + _________ = 300
 
 
4 a. _________ + 304 = 500
 
 
4 b. _________ + 369 = 500
 
 
5 a. 821 + _________ = 900
 
 
5 b. 60 + _________ = 300
 
 
6 a. 119 + _________ = 400
 
 
6 b. _________ + 281 = 500
 
 
7 a. _________ + 408 = 600
 
 
7 b. 172 + _________ = 600
 
 
8 a. _________ + 432 = 800
 
 
8 b. _________ + 292 = 500
 
 
9 a. _________ + 703 = 800
 
 
9 b. 289 + _________ = 500
 
 
10 a. 75 + _________ = 800
 
 
10 b. _________ + 69 = 300
 
 
Page 2

Answer Key

1 a. 287    
1 b. 52    
2 a. 238    
2 b. 275    
3 a. 55    
3 b. 181    
4 a. 196    
4 b. 131    
5 a. 79    
5 b. 240    
6 a. 281    
6 b. 219    
7 a. 192    
7 b. 428    
8 a. 368    
8 b. 208    
9 a. 97    
9 b. 211    
10 a. 725    
10 b. 231    


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