What's this?
Eleven /əˈlev.ən/
What's this?
Twelve /twelv/
What's this?
Thirteen /θɝːˈtiːn/
What's this?
Fourteen /ˌfɔːrˈtiːn/
What's this?
Fifteen /ˌfɪfˈtiːn/
What's this?
Sixteen /ˌsɪkˈstiːn/
What's this?
Seventeen /ˌsev.ənˈtiːn/
What's this?
Eighteen /ˌeɪˈtiːn/
What's this?
Nineteen /ˌnaɪnˈtiːn/
What's this?
Twenty /ˈtwen.t̬i/
10+1 =?
It's eleven.
12+2 =?
It's fourteen.
20-4 =?
It's sixteen
11+2 = ?
It's thirteen
7+12 =?
It's nineteen.
18-2 =?
It's sixteen.
