Addition Worksheet

Solve.

1 a. 120 + ______ = 190
1 b. 830 + _________ = 860
2 a. 160 + ______ = 170
2 b. 340 + _________ = 360
3 a. _________ + 30 = 680
3 b. _________ + 30 = 380
4 a. 930 + _________ = 980
4 b. _________ + 20 = 550
5 a. ______ + 50 = 190
5 b. _________ + 50 = 570
6 a. _________ + 10 = 460
6 b. 720 + _________ = 750
7 a. 210 + _________ = 230
7 b. 460 + _________ = 490
8 a. 310 + _________ = 390
8 b. _________ + 30 = 370
9 a. 540 + _________ = 570
9 b. _________ + 30 = 340
10 a. _________ + 30 = 980
10 b. 730 + _________ = 790
Page 2

Answer Key

1 a. 70    
1 b. 30    
2 a. 10    
2 b. 20    
3 a. 650    
3 b. 350    
4 a. 50    
4 b. 530    
5 a. 140    
5 b. 520    
6 a. 450    
6 b. 30    
7 a. 20    
7 b. 30    
8 a. 80    
8 b. 340    
9 a. 30    
9 b. 310    
10 a. 950    
10 b. 60    


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