Addition Worksheet

Solve.

1 a. 30 + _________ = 724
 
1 b. _________ + 101 = 401
 
2 a. _________ + 200 = 676
 
2 b. ______ + 7 = 152
 
3 a. 20 + _________ = 380
 
3 b. 101 + ______ = 109
 
4 a. _________ + 20 = 492
 
4 b. _________ + 90 = 720
 
5 a. _________ + 9 = 895
 
5 b. 634 + _________ = 694
 
6 a. 50 + _________ = 400
 
6 b. _________ + 300 = 521
 
7 a. _________ + 30 = 543
 
7 b. 564 + _________ = 570
 
8 a. _________ + 7 = 649
 
8 b. 8 + _________ = 278
 
9 a. _________ + 699 = 739
 
9 b. 216 + _________ = 316
 
10 a. _________ + 700 = 829
 
10 b. _________ + 20 = 697
 
Page 2

Answer Key

1 a. 694    
1 b. 300    
2 a. 476    
2 b. 145    
3 a. 360    
3 b. 8    
4 a. 472    
4 b. 630    
5 a. 886    
5 b. 60    
6 a. 350    
6 b. 221    
7 a. 513    
7 b. 6    
8 a. 642    
8 b. 270    
9 a. 40    
9 b. 100    
10 a. 129    
10 b. 677    

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