Javier

1. Cộng đồng
2. News and Updates from Khan Academy
3. Update: New Mastery System

It is good news to know you are working on it. But IMHO it is not what we were asking for. What you are implementing is just a point system that allows you to get the mastery through exams and vide...

1. Cộng đồng
2. Content Requests and Feedback
3. Missions and applied math

Totally agree with you. Edit: there is a link in the top of the page that says "Report a problem" but let you to submit a request. Below you have a link, perhaps if we try using that via we´ll get ...

1. Cộng đồng
2. Content Requests and Feedback
3. Physics problems

I implore too.... Edit: there is a link in the top of the page that says "Report a problem" but let you to submit a request. Below you have a link, perhaps if we try using that via we´ll get a posi...

1. Cộng đồng
2. Content Requests and Feedback
3. When will the Mission format used in Math be applied to other subjects?

Totally agree, as I wrote somewhere else: I have studied differential calculus using mission feature and it has been one of the best experiences in my live. Now I turn into physics and I find a lot...

1. Cộng đồng
2. Content Requests and Feedback
3. All Exercises Mission

There is a link in the top of the page that says "Report a problem" but let you to submit a request. Below you have a link, perhaps if we try using that via we´ll get a positive result. https://kha...