Addition Worksheet

Solve.

1 a. 10 + 51 = ________
1 b. 40 + 50 = ________
2 a. 90 + 25 = ________
2 b. 60 + 43 = ________
3 a. 27 + 30 = ________
3 b. 60 + 60 = ________
4 a. 20 + 52 = ________
4 b. 70 + 41 = ________
5 a. 73 + 80 = ________
5 b. 99 + 30 = ________
6 a. 70 + 10 = ________
6 b. 100 + 30 = ________
7 a. 10 + 34 = ________
7 b. 20 + 60 = ________
8 a. 30 + 21 = ________
8 b. 33 + 70 = ________
9 a. 70 + 60 = ________
9 b. 50 + 40 = ________
10 a. 30 + 40 = ________
10 b. 71 + 30 = ________
Page 2

Answer Key

1 a. 61    
1 b. 90    
2 a. 115    
2 b. 103    
3 a. 57    
3 b. 120    
4 a. 72    
4 b. 111    
5 a. 153    
5 b. 129    
6 a. 80    
6 b. 130    
7 a. 44    
7 b. 80    
8 a. 51    
8 b. 103    
9 a. 130    
9 b. 90    
10 a. 70    
10 b. 101    


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