I taught sixth-grade math for 24 years and found that the biggest impediment to teaching at that level was that so many ...

"The kid starts cackling, and I realise he invented his own question in order to trick me into saying it," the teacher wrote.

This profile has not been claimed by the company. See reviews below to learn more or submit your own review. Khan Academy has delivered free online educational resources since 2008, specializing in a ...