Como podemos ajudar?

Horizon

Horizon comentou, 22 de março de 2018 12:14
Music Theory seems like an interesting topic, but the prospect of DLC in Khan Academy doesn't seem very fitting.
Horizon criou uma publicação, 24 de janeiro de 2018 14:33
Start-over Button

On a regular math practice, a student must get all questions correct in order to progress to mastery. However, if the student in question gets one question wrong, they must progress to completion ...
1. Comunidade
2. Feature Requests and General Site Feedback