Addition Worksheet

Solve.

1 a. 930 + 20 = ________
1 b. 320 + 30 = ________
2 a. 410 + 70 = ________
2 b. 950 + 40 = ________
3 a. 210 + 50 = ________
3 b. 100 + 70 = ________
4 a. 750 + 40 = ________
4 b. 160 + 20 = ________
5 a. 310 + 50 = ________
5 b. 340 + 10 = ________
6 a. 170 + 20 = ________
6 b. 870 + 20 = ________
7 a. 400 + 50 = ________
7 b. 640 + 10 = ________
8 a. 520 + 20 = ________
8 b. 600 + 30 = ________
9 a. 820 + 60 = ________
9 b. 350 + 30 = ________
10 a. 760 + 20 = ________
10 b. 930 + 60 = ________
Page 2

Answer Key

1 a. 950    
1 b. 350    
2 a. 480    
2 b. 990    
3 a. 260    
3 b. 170    
4 a. 790    
4 b. 180    
5 a. 360    
5 b. 350    
6 a. 190    
6 b. 890    
7 a. 450    
7 b. 650    
8 a. 540    
8 b. 630    
9 a. 880    
9 b. 380    
10 a. 780    
10 b. 990    


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