Vocabulary 19 |  
        Numbers |  
      
11 |  
        eleven |  
      
12 |  
        twelve |  
      
13 |  
        thirteen |  
      
14 |  
        fourteen |  
      
15 |  
        fifteen |  
      
16 |  
        sixteen |  
      
17 |  
        seventeen |  
      
18 |  
        eighteen |  
      
19 |  
        nineteen |  
      
20 |  
        twenty |