TUCSON, Ariz.--(BUSINESS WIRE)--Illustrative Mathematics (IM) today announced it has partnered with Khan Academy to provide free practice exercises tightly aligned to its highly-regarded curriculum, ...

Corrected: An earlier version of this story incorrectly stated the number of registered users of the Khan Academy. It is 137 million users. A bevy of technology and software tools are taking center ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Khan Academy's math lessons ...

Salman Khan's online tutorials are already watched by millions, including Bill Gates's children. His aim is to create the first free, world-class virtual school Salman Khan, whose virtual school Khan ...