Bill Weber

1. Общност
2. General Khan Academy Questions

When the time allowed reads something like "12 to 24 minutes," is that per question or per test?  There is no way that I could solve these problems in one to two minutes each.  For me, it's more li...

1. Общност
2. Content Requests and Feedback

I've worked through Geometry, Algebra I and Algebra II on my way to Pre-Calculus and Calculus, and I've noticed that the one weakness of Khan Academy is the lack of a text book.  I basically had to...