Khan Academy

Khan Academy is an American non-benefit instructive association made in 2006 by Sal Khan. He was determined to make a bunch of online tools that help teach all of the students. The association creates short exercises as recordings. Its site additionally incorporates valuable practice activities and materials for instructors. The courses and lectures at Khan's Academy are free as it is a nonprofit organization. Moreover, this is a reliable and credible course of education. Moreover, the Khan Academy is authoritatively recognized by the College Board SAT study section.