Duolingo

Duolingo provides language learning through short interactive lessons. Visitors can explore available languages and practise skills such as vocabulary, reading and listening. Account tools help learners maintain a study routine and track activity. The service can supplement other language practice, with course coverage and available features depending on the language and product selected.

It is useful for exploring a subject, learning activity or skill-development goal. Its focus includes Interactive language lessons, Vocabulary and listening practice and Learning progress tools, helping a learner connect the broad educational offering with the individual course, level or format relevant to the learning enquiry.

On Duolingo, the study and learning areas shown on the official site include Math.