Blue-Ice

1. Community
2. SAT Questions and Feedback
3. New practice tests

Hello Timofey, The SAT tests on Khan Academy, I believe, come from the College Board archives, since they are partnered businesses.  However, I do agree that Khan Academy should add an ACT mission....

1. Community
2. Study Group
3. Simplifying logarithms

No problem.  Let me know if you need help with anything else.

1. Community
2. General Khan Academy Questions
3. MY progress in world of math thing

Hello Smile-y, I am afraid there is no way to tell the percentage of your progress in the "world of math" in Khan Academy.  The closest thing to gauging your progress is looking at the number of ma...

1. Community
2. Study Group
3. Simplifying logarithms

I tried to do the problem again in a different way and turned a bit more complicated than I thought it would be.  I do not know if this will help you, but it may show you the important role the bra...

1. Community
2. Study Group
3. Simplifying logarithms

Hello Helena, I am happy that the first one helped you.  As for the log base 6 of 6 issue, this image might help you understand. And yes, defining the brackets are really important.  Either you ar...

1. Community
2. Technical Issues and Workarounds
3. Authorization Error when trying to connect with Google Classroom

Hello Felix.  Try watching this video and see if it helps. https://www.youtube.com/watch?v=zr2gvrIRwew 

1. Community
2. General Khan Academy Questions
3. Helping to select math courses for mature student preparing to return to college.

And yes, completing that list will allow you to have a solid background in mathematics.

1. Community
2. SAT Questions and Feedback
3. State of mind when taking the SAT

Thank you.  It was very helpful.

1. Community
2. General Khan Academy Questions
3. How long is the Geometry (all content) course?

Sry for the late reply.  I will be posting the list soon.  Either today or tomorrow.  Thank you for your patience.