You have JavaScript disabled
For the best experience, please turn JavaScript on.
Here's how
Skip to main content
Toggle Navigation
Discover
Lessons
Series
Earth School
Blog
Create
A Lesson
Student Talks
Educator Talks
Support
Nominate
Donate
Shop
Help
Contact
Blog
About
TED Ed
Register
or
sign in
Discover
Lessons
Discover video-based lessons organized by age/subject
Series
Discover videos organized by themes
Earth School
30 Quests to celebrate, explore and connect with nature
Blog
Discover articles and updates from TED-Ed
Create
A Lesson
Create your own video-based lesson
Student Talks
Students can create talks as part of a class, club or other program
Educator Talks
Learn how educators in your community can give their own TED-style talks
Support
Nominate
Nominate educators or animators to work with TED-Ed
Donate
Donate to support TED-Ed’s non-profit mission
Shop
Buy custom prints inspired by
TED-Ed animations
Search
Want a daily email of lesson plans that span all subjects and age groups?
Learn more
Earth School
Getting Under Our Skin
History vs. ...
Math in Real Life
Mysteries of Vernacular
Myths from Around the World
Our Changing Climate
Out of This World
Periodic Videos
Riddles
Superhero Science
The Demon of Reason
There's a Poem for That
Think Like a Coder
Train your brain
7,729,961
Views
Data Analysis & Probability
Can you solve the counterfeit coin riddle? - Jennifer Lu
- 04:35
Lesson by
TED Ed
Video by
TED-Ed
723,320
Views
Mathematics
A brief history of numerical systems - Alessandra King
- 05:08
Lesson by
TED Ed
Video by
TED-Ed
2,821,044
Views
Mathematics
How high can you count on your fingers? (Spoiler: much higher than 10) - James Tanton
- 04:30
Lesson by
TED Ed
Video by
TED-Ed
689,447
Views
Visual Arts
The mathematics of sidewalk illusions - Fumiko Futamura
- 04:55
Lesson by
TED Ed
Video by
TED-Ed
10,717,431
Views
Critical Thinking
Can you solve the three gods riddle? - Alex Gendler
- 04:54
Lesson by
TED Ed
Video by
TED-Ed
10,189,179
Views
Mathematics
The Elliptical Pool Table: A Mathematician's Dream
- 03:40
Lesson by
Emilie Soffe
Video by
Numberphile
214,644
Views
Mathematics
Are You the Girl from "The Wonder Years"?
- 03:29
Lesson by
Emilie Soffe
Video by
NOVA's Secret Life of Scientists and Engineers
1,637,033
Views
Cognition and Learning
Why do people get so anxious about math? - Orly Rubinsten
- 04:37
Lesson by
TED Ed
Video by
TED-Ed
9,834,651
Views
Problem Solving
Can you solve the virus riddle? - Lisa Winer
- 05:13
Lesson by
TED Ed
Video by
TED-Ed
8,596,039
Views
Critical Thinking
Can you solve the pirate riddle? - Alex Gendler
- 05:24
Lesson by
TED Ed
Video by
TED-Ed
2,265,039
Views
Data Analysis & Probability
Check your intuition: The birthday problem - David Knuffke
- 05:07
Lesson by
TED Ed
Video by
TED-Ed
968,762
Views
Mathematics
Safe Cracking with Feynman - Numberphile
- 08:23
Lesson by
Emilie Soffe
Video by
Numberphile
5,338,441
Views
Problem Solving
Can you solve the fish riddle? - Steve Wyborney
- 04:50
Lesson by
TED Ed
Video by
TED-Ed
16,766,193
Views
Mathematics
The Scientific Way to Cut a Cake
- 05:09
Lesson by
Emilie Soffe
Video by
Numberphile
2,214,044
Views
Information Literacy
How to spot a misleading graph - Lea Gaslowitz
- 04:10
Lesson by
TED Ed
Video by
TED-Ed
527,858
Views
Mathematics
Can you find the next number in this sequence? - Alex Gendler
- 04:01
Lesson by
TED Ed
Video by
TED-Ed
2,400,911
Views
Geometry
How many ways are there to prove the Pythagorean theorem? - Betty Fei
- 05:17
Lesson by
TED Ed
Video by
TED-Ed
2,075,735
Views
History
A brief history of banned numbers - Alessandra King
- 04:43
Lesson by
TED Ed
Video by
TED-Ed
10,435,503
Views
Mathematics
How a 15-year-old solved a Rubik's Cube in 5.25 seconds
- 04:22
Lesson by
Emilie Soffe
Video by
Vox
1,693,438
Views
Numbers & Operations
Where do math symbols come from? - John David Walters
- 04:30
Lesson by
TED Ed
Video by
TED-Ed
6,148,924
Views
Mathematics
Can you solve the egg drop riddle? - Yossi Elran
- 04:47
Lesson by
TED Ed
Video by
TED-Ed
2,568,196
Views
Mathematics
Can you solve the buried treasure riddle? - Daniel Griller
- 05:03
Lesson by
TED Ed
Video by
TED-Ed
3,480,915
Views
Mathematics
Can you solve the dark coin riddle? - Lisa Winer
- 05:26
Lesson by
TED Ed
Video by
TED-Ed
3,480,268
Views
Mathematics
Can you solve the seven planets riddle? - Edwin F. Meyer
- 06:01
Lesson by
TED Ed
Video by
TED-Ed
« First
‹ Prev
1
2
3
4
5
6
7
Next ›
Last »
Login Modal
Log In to Take or Create a Lesson
Log In to participate
Please Log In or Register to Apply
Please Log in to Access Leader Resources
If you have already logged into ted.com click Log In to verify your authentication. Click Register if you need to create a free TED-Ed account.
Log In
Register
Only students who are 13 years of age or older can create a TED-Ed account.