# Estimating derivatives | Derivatives introduction | AP Calculus AB | Khan Academy

Estimating derivative at a point using the slope of a secant line connecting points around that point.

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-intro/ab-estimate-derivatives/e/estimate-derivatives-from-tables?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-intro/ab-secant-average-rate-of-change/v/slope-of-a-secant-line-arbitrary-difference?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-intro/ab-estimate-derivatives/v/secant-lines-and-average-rate-of-change?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

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