TED - MATH IN REAL LIFE

TED - ED

COLLECTIONS

LITERATURE

MATH IN REAL LIFE

UNDER OUR SKIN

OUR CHANGING CLIMATE

OUT OF THIS WORLD

CAN YOU SOLVE IT?

Numbers & Operations

One is one...or is it? - Christopher Danielson

The counting by fives song | Counting songs

The counting by tens song | Counting songs

Where do math symbols come from? - John David Walters

How to visualize one part per million - Kim Preshoff + The TED-Ed Community

Average speed and Rich Eisen's ineptitude in the 40-yard dash

How big is infinity? - Dennis Wildfogel

Logarithms, explained - Steve Kelly

An introduction to mathematical theorems - Scott Kennedy

The magic of Vedic math - Gaurav Tekriwal

What's an algorithm? - David J. Malan

SpongeBob's house is not a pineapple

The infinite life of pi - Reynaldo Lopes

A trip through space to calculate distance - Heather Tunnell

GEOMETRY

3D shapes song | Shapes for kids

Shapes song for kids

How many ways are there to prove the Pythagorean theorem? - Betty Fei

How the Königsberg bridge problem changed mathematics - Dan Van der Vieren

The mighty mathematics of the lever - Andy Peterson and Zack Patterson

Symmetry, reality's riddle - Marcus du Sautoy

Pizza physics (New York-style) - Colm Kelleher

Euclid’s puzzling parallel postulate - Jeff Dekofsky

Exploring other dimensions - Alex Rosenthal and George Zaidan

ALGEBRA

How folding paper can get you to the moon - Adrian Paenza

How does math guide our ships at sea? - George Christoph

Gridiron physics: Scalars and vectors - Michelle Buchanan

How to organize, add and multiply matrices - Bill Shillito

MEASUREMENT

What is a vector? - David Huynh

What is Zeno’s Dichotomy Paradox? - Colm Kelleher

Mathematics

A performance of "Mathemagic" - Arthur Benjamin

Why are manhole covers round? - Marc Chamberland

The last banana: A thought experiment in probability - Leonardo Barichello

Is math discovered or invented? - Jeff Dekofsky

The time value of money - German Nande

Math jokes explained

Why do honeybees love hexagons? - Zack Patterson and Andy Peterson

A mathematical fable

The case of the missing fractals - Alex Rosenthal and George Zaidan

How many ways can you arrange a deck of cards? - Yannay Khaikin

The Infinite Hotel Paradox - Jeff Dekofsky

Are You the Girl from "The Wonder Years"?

The Scientific Way to Cut a Cake

How a 15-year-old solved a Rubik's Cube in 5.25 seconds

The archer's paradox in slow motion

Can you solve the time traveling car riddle? - Dan Finkel

Can you solve the rogue submarine riddle? Difficulty level: Master - Alex Rosenthal

Can you solve the Alice in Wonderland riddle? - Alex Gendler

Can you solve the cheating royal riddle? - Dan Katz

Can you solve the honeybee riddle? - Dan Finkel

How to find area and perimeter

The greatest mathematician that never lived - Pratik Aghor

The high-stakes race to make quantum computers work - Chiara Decaroli

Can you solve the cuddly duddly fuddly wuddly riddle? - Dan Finkel

Can you solve the unstoppable blob riddle? - Dan Finkel

Can you solve the jail break riddle? - Dan Finkel

Can you solve the vampire hunter riddle? - Dan Finkel

Can you solve the troll’s paradox riddle? - Dan Finkel

Can you solve the multiplying rabbits riddle? - Alex Gendler

Can you solve the secret werewolf riddle? - Daniel Finkel

Can you solve the time travel riddle? - Dan Finkel

Math is the hidden secret to understanding the world - Roger Antonsen

Can you solve the killer robo-ants riddle? - Dan Finkel

Can you solve the alien probe riddle? - Dan Finkel

Can you solve the rebel supplies riddle? - Alex Gendler

Can you solve the giant iron riddle? - Alex Gendler

Can you solve the rogue AI riddle? - Dan Finkel

Can you solve the Leonardo da Vinci riddle? - Tanya Khovanova

Can you solve the stolen rubies riddle? - Dennis Shasha

Can you solve the false positive riddle? - Alex Gendler

Can you solve the giant cat army riddle? - Dan Finkel

Can you solve the wizard standoff riddle? - Daniel Finkel

Riemann's paradox: pi = infinity minus infinity

Why can't you divide by zero?

Can you solve the Mondrian squares riddle? - Gord Hamilton

Can you solve the penniless pilgrim riddle? - Dan Finkel

How exactly does binary code work? - José Américo N L F Freitas

The coin flip conundrum - Po-Shen Loh

Can you solve the seven planets riddle? - Edwin F. Meyer

Can you solve the dark coin riddle? - Lisa Winer

Can you solve the buried treasure riddle? - Daniel Griller

Can you solve the egg drop riddle? - Yossi Elran

Can you find the next number in this sequence? - Alex Gendler

Safe Cracking with Feynman - Numberphile

The Elliptical Pool Table: A Mathematician's Dream

How high can you count on your fingers? (Spoiler: much higher than 10) - James Tanton

A brief history of numerical systems - Alessandra King

Why do airlines sell too many tickets? - Nina Klietsch

Winning at Rock Paper Scissors

Can you solve the airplane riddle? - Judd A. Schorr

Can you solve the river crossing riddle? - Lisa Winer

Can you solve the prisoner boxes riddle? - Yossi Elran

Can you solve the control room riddle? - Dennis Shasha

The origin of countless conspiracy theories - PatrickJMT

Making sense of irrational numbers - Ganesh Pai

Can you solve the frog riddle? - Derek Abbott

Can you solve the temple riddle? - Dennis E. Shasha

Group theory 101: How to play a Rubik’s Cube like a piano - Michael Staff

The mathematical secrets of Pascal’s triangle - Wajdi Mohamed Ratemi

The math behind Michael Jordan’s legendary hang time - Andy Peterson and Zack Patterson

Football physics: The "impossible" free kick - Erez Garty

Data Analysis & Probability

Check your intuition: The birthday problem - David Knuffke

Can you solve the counterfeit coin riddle? - Jennifer Lu

Can you solve the locker riddle? - Lisa Winer

How stats fool juries - Peter Donnelly

What happens if you guess? - Leigh Nataro

A clever way to estimate enormous numbers - Michael Mitchell

Why do competitors open their stores next to one another? - Jac de Haan

Inside OKCupid: The math of online dating - Christian Rudder

The mathematics of history - Jean-Baptiste Michel

Value of the Arts

The mathematics of sidewalk illusions - Fumiko Futamura

Did Shakespeare write his plays? - Natalya St. Clair and Aaron Williams

The unexpected math behind Van Gogh's "Starry Night" - Natalya St. Clair

Music and math: The genius of Beethoven - Natalya St. Clair

Pixar: The math behind the movies - Tony DeRose

The beautiful math of coral - Margaret Wertheim

Global Economics

How algorithms shape our world - Kevin Slavin

Design, Engineering & Technology

The physics of roller coasters

The World's Roundest Object (and Why it Exists)

What's the difference between accuracy and precision? - Matt Anticole

Thinking & Learning

Can you solve the sorting hat riddle? - Dan Katz and Alex Rosenthal

This one weird trick will get you infinite gold - Dan Finkel

Can you survive the creation of the universe by solving this riddle? - James Tanton

Can you solve the risky disk riddle? - James Tanton

Can you solve the giant spider riddle? - Dan Finkel

Can you cheat death by solving this riddle? - Shravan S K

Can you solve the logician’s rave riddle? - Edwin Meyer

Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

Can you solve the fantasy election riddle? - Dennis E. Shasha

Can you solve the monster duel riddle? - Alex Gendler

Can you solve the riddle and escape Hades? - Dan Finkel

Can you solve the Ragnarok riddle? - Dan Finkel

Can you solve the world’s most evil wizard riddle? - Dan Finkel

Can you solve the sea monster riddle? - Dan Finkel

Can you solve the death race riddle? - Alex Gendler

Can you solve "Einstein’s Riddle"? - Dan Van der Vieren

Can you solve the prisoner hat riddle? - Alex Gendler

Critical Thinking

Are Good Looking People Jerks?

Why do people fear the wrong things? - Gerd Gigerenzer

Game theory challenge: Can you predict human behavior? - Lucas Husted

Can you solve the pirate riddle? - Alex Gendler

Can you solve the multiverse rescue mission riddle? - Daniel Finkel

Can you solve the fish riddle? - Steve Wyborney

Can you solve the virus riddle? - Lisa Winer

Is it better to walk or run in the rain?

The method that can "prove" almost anything - James A. Smith

Can you solve the three gods riddle? - Alex Gendler

Information Literacy

How to spot a misleading graph - Lea Gaslowitz

What's the fastest way to alphabetize your bookshelf? - Chand John

Cognition and Learning

Why do people get so anxious about math? - Orly Rubinsten

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