

I'm not very good at mathematics.
[ˈaɪm ˈnɑt ˈvɛri ˈɡʊd ət ˌmæθəˈmætɪks.]
Do you have mathematics every day?
[ˈdu jə ˈhæv ˌmæθəˈmætɪks ˈɛvri ˈdeɪ?]
My sister wants to study mathematics.
[ˈmaɪ ˈsɪstər ˈwɔnts tə ˈstədi ˌmæθəˈmætɪks.]
"mathematics" is in the lesson "Education" (Level 14), along with 12 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.