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...

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.

The strong connections between math and music are explored in this short video that uses group theory to visualize musical chords. Makes you wonder what Arthur Rubinstein would have thought of all this.

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...

Your learners will be surprised by the thought-provoking, counterintuitive puzzle presented in this short video that models a fun, fictional situation in which a game is played with two number cubes to decide which of two people wins a...

Viewers of a short video use the Proof by Contradiction technique; to determine which apprentice monk swallowed which crystal the group attempted to steal from the Sacred Crystal Temple.

Your statisticians will rise to the probability challenge while watching this video. A toy elephant is placed into one of 24 drawers. What is the probability of correctly guessing which one? As more drawers are opened, does the...

Viewers play a game with Sal, in which he presents three different data sets that come from either linear, quadratic, or exponential functions. In solving this puzzle, Sal manages to not only provide a strong definition of each function,...

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.  

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.

Explore the puzzle of factoring quadratic trinomials using the video lesson. The instructor demonstrates the trial and error process of finding the binomial factors. She shows how to check the factors using multiplication.

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.

Toothpicks are as good a manipulative as any. Young mathematicians view a short video that introduces a toothpick puzzle. By moving one toothpick, they must produce a correct equation from an incorrect one.

The zombies are charging and it is your job to get your party safely across the bridge. Are you up for the challenge?

Who is known for his bongo playing and solving the hardest algebra problem of all time? Richard Feynman loved to solve puzzles and didn't handle being bored very well. He is known for the Feynman diagrams that explain quantum...

With a geometric shape on hand the instructor provides a reason for creative thinking then models how he constructs an answer using problem solving strategies. He explains his thinking and notes the strategy he used to solve each problem.

Use prime factorization to find the greatest common factor of three given values. Okay. But what if there doesn't seem to be any integer that is common in all three given values? Well, then, the greatest common factor must be 1. Not sure...

Find vectors that stay on their spans after a linear transformation. The 14th video in the series of 15 introduces the concept of eigenvectors, vectors that are only scaled during a linear transformation. The presentation illustrates the...

The instructors shows how to identify factors by breaking apart the numbers and variables of a product.

What is a prime number? Is zero a prime number? Is one a prime number? No?! Is two a prime number? Yes. So what is the definition of a prime number? A prime number is a number that can only be divided by 1 and itself. Watch this short...

There is one bridge too many. A video presents the history of the Konigsberg Bridge problem. To solve the problem, Euler invented a new branch of mathematics—and graph theory was born. Using this new branch of mathematics, mathematicians...

It is not your typical type of sequence. The resource presents a number sequence that is not generated using a mathematical formula. Saying a terms digits creates the next term in the sequence, allowing learners to see patterns these...

This video provides an opportunity to see how to create your own multiplication puzzle. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept. [3:40]

Doubling something isn't always easy! See if you can figure out why if Tito sells his new pizza for $19.99 he'll be in trouble. Use what you know about area, rates, and proportions to figure out how much Tito should charge or what the...