Addition Worksheet

Solve.

1 a. 11 + 10 = ________
1 b. 65 + 70 = ________
2 a. 60 + 17 = ________
2 b. 47 + 100 = ________
3 a. 50 + 17 = ________
3 b. 13 + 60 = ________
4 a. 100 + 35 = ________
4 b. 57 + 50 = ________
5 a. 72 + 10 = ________
5 b. 83 + 20 = ________
6 a. 80 + 48 = ________
6 b. 86 + 60 = ________
7 a. 20 + 13 = ________
7 b. 17 + 20 = ________
8 a. 10 + 32 = ________
8 b. 20 + 37 = ________
9 a. 30 + 97 = ________
9 b. 100 + 71 = ________
10 a. 70 + 41 = ________
10 b. 100 + 30 = ________
Page 2

Answer Key

1 a. 21    
1 b. 135    
2 a. 77    
2 b. 147    
3 a. 67    
3 b. 73    
4 a. 135    
4 b. 107    
5 a. 82    
5 b. 103    
6 a. 128    
6 b. 146    
7 a. 33    
7 b. 37    
8 a. 42    
8 b. 57    
9 a. 127    
9 b. 171    
10 a. 111    
10 b. 130    


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