Build a lesson around any TED-Ed Animation, TED Talk or YouTube video
Create a Lesson

Logarithms, explained - Steve Kelly

  • 675,637 Views
  • 8,621 Questions Answered
  • TEDEd Animation

Let’s Begin…

What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer. Lesson by Steve Kelly, animation by TED-Ed.

Create and share a new lesson based on this one.

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

Additional Resources for you to Explore
Read about the history of logarithms.
http://www.sosmath.com/algebra/logs/log1/log1.html
See the Kahn Academy explain logarithms.
http://www.khanacademy.org/math/algebra/logarithms/v/introduction-to-logarithms
Think you got it? Test yourself here! Don't worry, there's no grade. This is just for fun. http://www.regentsprep.org/Regents/math/algtrig/ATE9/LogPrac.htm
Lastly, you can see just how well you know logarithmic equations. Check out this nifty interactive worksheet. http://www.themathpage.com/alg/logarithms.htm
Teded square logo
TED-Ed
Lesson Creator
New York, NY

Customize This Lesson

Create and share a new lesson based on this one.

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators