Hi. I understand that you have your reasons that when you update and add or delete content that the course mastery in some subjects goes down. However, this last update things went down quite a bit. Khan Academy's philosophy is course mastery and not grades, but doing this does not encourage the student. It is incredibly frustrating the amount of work that a student has to do who worked hard to achieve 100% mastery in a math subject only to have that taken away. I was helping my special needs student figure out what she needs to bring these subjects back to 100% mastery and was shocked at how much she has to do now. It completely derails what she is currently working on since she has to go back to work on subjects that she already completed. Please re-think this in the future if you really care about encouraging learners instead of frustrating them.
Как да помогнем?