Addition Worksheet

Solve.

1 a. 440 + 50 = ________
1 b. 600 + 80 = ________
2 a. 450 + 30 = ________
2 b. 340 + 40 = ________
3 a. 300 + 30 = ________
3 b. 200 + 40 = ________
4 a. 500 + 90 = ________
4 b. 150 + 10 = ________
5 a. 250 + 20 = ________
5 b. 750 + 30 = ________
6 a. 920 + 60 = ________
6 b. 550 + 30 = ________
7 a. 720 + 40 = ________
7 b. 640 + 20 = ________
8 a. 200 + 50 = ________
8 b. 280 + 10 = ________
9 a. 820 + 40 = ________
9 b. 130 + 60 = ________
10 a. 740 + 50 = ________
10 b. 910 + 0 = ________
Page 2

Answer Key

1 a. 490    
1 b. 680    
2 a. 480    
2 b. 380    
3 a. 330    
3 b. 240    
4 a. 590    
4 b. 160    
5 a. 270    
5 b. 780    
6 a. 980    
6 b. 580    
7 a. 760    
7 b. 660    
8 a. 250    
8 b. 290    
9 a. 860    
9 b. 190    
10 a. 790    
10 b. 910    


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