AHumanInLife

Ok thanks, sorry for the one month late reply

1. Comunidad
2. General Khan Academy Questions
3. Tips for me and others

I agree Khan Academy had helped me, even though I don’t really need it. Khan Academy make learning fun (energy points, badges, avatars, etc). It helped me be ahead of most of the class.

1. Comunidad
2. Positive Stories and Testimonials
3. Thank you so much Khan Academy!

Ok thanks

1. Comunidad
2. Technical Issues and Workarounds
3. Null is not a subject

First, it was okay and I was doing a math question. When I was done with the question, I clicked the check button. It turned white (not the whole screen) and had a red rectangle-box thing, that sai...

1. Comunidad
2. Technical Issues and Workarounds
3. Null is not a subject

@Roudeline Milien Well I don’t really think that videos really counts because the course only shows you the things you completed and the videos are tec just there. (I used google translate)

1. Comunidad
2. General Khan Academy Questions
3. How do you know when you have completed a course?

While I solve a problem it turns white with a red box on top saying “null is not a subject”.

1. Comunidad
2. Technical Issues and Workarounds
3. Null is not a subject

Yes you need to get 100% mastery to consider your course 100% completed. Hope this helps!

1. Comunidad
2. General Khan Academy Questions
3. How do you know when you have completed a course?