

She is sixteen years old.
[ʃi ˈɪz ˌsɪkˈstin ˈjɪrz ˈoʊld.]
There are sixteen floors in this hotel.
[ˈðɛr ˈɑr ˌsɪkˈstin ˈflɔrz ˈɪn ˈðɪs hoʊˈtɛl.]
Do you take bus number sixteen?
[ˈdu jə ˈteɪk ˈbəs ˈnəmbər ˌsɪkˈstin?]
"sixteen" is in the lesson "Numbers" (Level 3), along with 19 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.