Art of Problem Solving

Want to get a head start on some math? Want to do some problems that will challenge you to think in new ways?  Do Alcumus, gain points, and grow your skills.

Alcumus is a free online set of problems that make you think in new ways and stretch your mind. Each problem has a clever solution that you are challenged to find. Make sure to read the solution method after you do each problem so that you can learn and improve!

Videos

Fractals: The Dragon Curve

Vi Hart's doodling produces all kinds of amazing pictures. See more on her YouTube channel!

Neil deGrasse Tyson on How to Become an Astrophysicist

You can see a whole lot more from Neil deGrasse Tyson at StarTalk Radio. This video on black holes is pretty fun! Or, watch Stephen Colbert interview Neil deGrasse Tyson!

Nature By Numbers

This video shows you all kinds of ways that the Fibonacci sequence shows up in nature, and you get a sense of just how beautiful it is!

How to add all the numbers 1 + 2 + ... + 100

This video and lots more are on Art of Problem Solving's website here.

An Amazing Card Trick (with British accents!)

Numberphile has a ton of amazing videos. Check out this video: "Is Zero Even?" You can see more on Numberphile's channel.

Math is Forever (Spanish, with English subtitles)

This video is really funny, it's worth watching even if you don't speak Spanish!

Using Statistics to Understand the World

The Most Astounding Fact About the Universe

We just couldn't resist one last Neil deGrasse Tyson video!

Number Games

And one more Vi Hart video!