Addition Worksheet

Solve.

1 a. 920 + _________ = 930
1 b. _________ + 50 = 680
2 a. _________ + 60 = 360
2 b. _________ + 40 = 550
3 a. 520 + _________ = 580
3 b. 910 + _________ = 970
4 a. 460 + _________ = 480
4 b. 700 + _________ = 730
5 a. _________ + 10 = 760
5 b. 320 + _________ = 360
6 a. 720 + _________ = 760
6 b. _________ + 0 = 740
7 a. _________ + 10 = 770
7 b. 520 + _________ = 540
8 a. _________ + 30 = 290
8 b. 760 + _________ = 790
9 a. _________ + 10 = 220
9 b. _________ + 50 = 390
10 a. 260 + _________ = 290
10 b. _________ + 20 = 970
Page 2

Answer Key

1 a. 10    
1 b. 630    
2 a. 300    
2 b. 510    
3 a. 60    
3 b. 60    
4 a. 20    
4 b. 30    
5 a. 750    
5 b. 40    
6 a. 40    
6 b. 740    
7 a. 760    
7 b. 20    
8 a. 260    
8 b. 30    
9 a. 210    
9 b. 340    
10 a. 30    
10 b. 950    


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