118 官話 (Mandarin)
Courses
Elementary Chinese 1 (CC BY-NC-SA)
Elementary Chinese 1 is the first half of a two-semester Mandarin Chinese course that aims to help beginners develop communicative competence in the basic four skills (listening, speaking, reading and writing) and culture of Chinese.
Videos
MIT BLOSSOMS Videos (CC BY-NC-SA)
Math and science videos for high school classes in Mandarin.