Addition Worksheet

Solve.

1 a. 800 + 30 = ________
1 b. 300 + 20 = ________
2 a. 240 + 0 = ________
2 b. 130 + 30 = ________
3 a. 410 + 30 = ________
3 b. 560 + 20 = ________
4 a. 640 + 20 = ________
4 b. 830 + 50 = ________
5 a. 700 + 60 = ________
5 b. 920 + 70 = ________
6 a. 640 + 40 = ________
6 b. 710 + 70 = ________
7 a. 400 + 80 = ________
7 b. 160 + 30 = ________
8 a. 110 + 50 = ________
8 b. 430 + 0 = ________
9 a. 610 + 50 = ________
9 b. 430 + 50 = ________
10 a. 840 + 40 = ________
10 b. 220 + 30 = ________
Page 2

Answer Key

1 a. 830    
1 b. 320    
2 a. 240    
2 b. 160    
3 a. 440    
3 b. 580    
4 a. 660    
4 b. 880    
5 a. 760    
5 b. 990    
6 a. 680    
6 b. 780    
7 a. 480    
7 b. 190    
8 a. 160    
8 b. 430    
9 a. 660    
9 b. 480    
10 a. 880    
10 b. 250    


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