As a result, some users considered looking for alternatives. Sadly, in 2020, they had issues that led to them dropping some courses. The best part is, they do all this for free! The academy produces short tutorial videos, conducts practice exercises for students, and provides teaching materials for educators. Khan Academy’s 100,000+ free practice questions give instant feedback, don’t need to be graded, and don’t require a printer.As people fondly call the platform KA, it came to fruition in 2006, and it’s a nonprofit organization. Green’s, Stokes’, and the divergence theoremsįrequently Asked Questions about Khan Academy and Math Worksheets Why is Khan Academy even better than traditional math worksheets?.Applications of multivariable derivatives.AP Calculus AB solved free response questions from past exams.Applying derivatives to analyze functions.Contextual applications of differentiation.Differentiation: composite, implicit, and inverse functions.Differentiation: definition and basic derivative rules.Parametric equations, polar coordinates, and vector-valued functions.Derivatives: chain rule and other advanced topics.Derivatives: definition and basic rules.Prepare for the 2020 AP®︎ Statistics Exam.Inference comparing two groups or populations.