Instructional Video5:20
TED-Ed

Can You Solve the Giant Cat Army Riddle?

8th - 12th
Dr. Schrodinger, the rat, has set a trap for anyone trying to destroy the growth ray he is using to create giant cats to attack the city. Viewers are challenged to escape his trap and save humanity in this rather complex math riddle.
Instructional Video4:44
TED-Ed

Can You Solve the Penniless Pilgrim Riddle?

9th - 12th
The Penniless Pilgrim riddle challenges viewers to find a tax-free path through a matrix of city streets to reach a temple. The good news is that the video includes a solution for befuddled riddlers.
Instructional Video3:44
TED-Ed

Can You Outsmart This Logical Fallacy?

9th - 12th
The more detailed a story is, the more you should believe it—right? This fallacy, known as the conjunction fallacy, takes advantage of your brain's tendency to conflate plausibility and probability. A short and engaging video explains...
Instructional Video5:02
TED-Ed

Can You Solve the Buried Treasure Riddle?

6th - 12th
Buried treasure awaits! Riddle masters must dig deep to uncover the hiding place of pirate captain Greenbeard's treasure. Avast! There is no map—only five clues.
Instructional Video3:24
TED-Ed

Can You Solve the Jail Break Riddle?

6th - 12th
How can you accurately measure 45 seconds with two 60-second fuses and a lighter? A video takes learners through a logic puzzle that helps a bank robber break out of jail before the electric fence comes on.
Instructional Video3:51
TED-Ed

Can You Solve the Vampire Hunter Riddle?

6th - 12th
Young hunters require neither stakes nor silver bullets to vanquish vampires resting in their coffins. They rely instead on their knowledge of mirrors, diffusers, and angles to solve the riddle presented in a short video.
Instructional Video4:58
TED-Ed

Zen KōAns: Unsolvable Enigmas Designed to Break Your Brain

9th - Higher Ed Standards
Why do people attempt to explain the unexplainable? Scholars explore the topic by learning about ancient philosophical thought experiements known as kōans. After watching a brief yet informative video, pupils answer questions and engage...
Instructional Video6:01
TED-Ed

Can You Solve the Seven Planets Riddle?

6th - 12th
Can you use math and logic to beat the bad guys? You can in space! Take an intergalactic trip into a seedy and speedy crime syndicate with the Seven Planets Riddle, which challenges two interstellar police officers to use deductive...
Instructional Video3:50
TED-Ed

Can You Solve the Dark Coin Riddle?

6th - 12th
You're trapped in a dark castle with a pile of gold coins that a wizard will only allow you to leave with if you can solve his riddle. Math learners solve the riddle of the dark coin with the help of an engaging instructional video.
Instructional Video10:32
Physics Girl

Can You Solve the $20 Riddle?

9th - Higher Ed Standards
Do your young scientists love a good brain teaser? A video from an extensive physics playlist introduces a creative way to work those critical thinking skills. Watch as the host works through the scenarios that involve logic, statistics,...
Instructional Video3:58
Physics Girl

Spool Riddle - Which Way Will It Roll?

9th - Higher Ed Standards
Looking for a challenging brain teaser to stimulate conversation? The spool riddle will make things roll right along! The narrator of the a physics video series explains the constraints of the spool in terms of movement and friction,...
Instructional Video4:49
Physics Girl

Mind-Boggling Hiker Riddle

9th - Higher Ed Standards
One short riddle can make for some great brainstorming! Introduce young scientists to the hiker riddle with a video from the Physics Girl playlist. The puzzle involves a hiker walking due south, then due east, then due north in one-mile...
Instructional Video8:05
Physics Girl

Can You Solve the Magnet Riddle?

9th - Higher Ed Standards
Riddle me this! Science sleuths attempt to solve two seemingly simple scenarios with a video from the Physics Girl playlist. The narrator challenges the CEO of YouTube to a battle of wits with a bottle with a tissue, as well as two...
Instructional Video4:47
TED-Ed

Can You Solve the Egg Drop Riddle?

6th - 12th Standards
100 floors, 100 Faberge eggs, one thief, and one escape vehicle. Young logicians put together what they know to determine how a thief can safely drop a fragile Faberge egg out a window of the city museum into her waiting truck and escape.
Instructional Video4:49
TED-Ed

Can You Solve the Fish Riddle?

6th - 12th Standards
Riddles are a great way to encourage learners to develop their logical thinking skills, and the fish riddle offers the perfect challenge. Viewers must determine how to rescue a series of tanks containing an endangered species of fish.
Instructional Video6:09
TED-Ed

Why Should You Read "Macbeth"?

9th - 12th Standards
All is fair in motivating readers. And something wickedly wonderful comes from using a short introductory video to double readers' enjoyment of Shakespeare's tragedy about the ambitious Thane of Glamis. It is a tale told by a genius.
Instructional Video5:06
TED-Ed

Check Your Intuition: The Birthday Problem

6th - 12th
Happy birthday to you — and to you! A festive video on probability examines the likelihood of two people in a group sharing a birthday, based on the size of the group. 
Instructional Video5:23
TED-Ed

Can You Solve the Pirate Riddle?

6th - 12th Standards
Yo Ho Ho! Landlubbers, seadogs, and scallywags are sure to treasure a video that presents them with the challenge of the pirate riddle. Heave ho! Hornswagglers beware!
Instructional Video5:12
TED-Ed

Can You Solve the Virus Riddle?

6th - 12th
A vicious airborne virus is about to leak out of your lab, and it is up to you to stop it. Once entering a contaminated room, you destroy it, preventing you from leaving the room the same way you entered. Challenge your class to solve...
Instructional Video4:53
TED-Ed

Can You Solve the Three Gods Riddle?

7th - 12th
The Three Gods Riddle has been called the "hardest logic puzzle ever." Introduce viewers to the problem with a video that challenges scholars to find the solution.
Instructional Video4:34
TED-Ed

Can You Solve the Counterfeit Coin Riddle?

7th - 12th Standards
Math enthusiasts and riddle gurus are sure to love a mind-bending puzzle involving a king, a scale, and a counterfeit coin. Middle and high schoolers work through a video that describes a mathematician's challenge to find a false coin in...
Instructional Video4:18
TED-Ed

Can You Solve the River Crossing Riddle?

6th - 8th
Getting three wildebeest across a river should be no problem— but what happens when you add three lions to the mix? Watch a video that features a classic river-crossing puzzle with a crocodile twist. Viewers listen as the narrator...
Instructional Video4:00
TED-Ed

Can You Solve the Control Room Riddle?

7th - 12th
Evil syndicates, secret control panels, death rays. As the country's top spy, it is your job to use the provided clues to find the hidden control room and deactivate the ray.  
Instructional Video3:49
TED-Ed

Can You Solve the Locker Riddle?

7th - 12th
Your rich uncle just died and left all of his money to you. However, your evil relatives want some of the prize. Luckily, your uncle taught you everything you need to know about riddles, and has hidden his money. Can you solve...