This blog post falls into the category of “pure fun,” at least for people who enjoy board games. Here’s a board game that is easy to learn, fun to play, enjoyed by people of all ages, and best of all — invented by two world-class mathematicians: ...

It’s not every day that you can see a great mathematician giving a lecture. But thanks to the power of today’s technology, you can do that right now. Terence Tao, winner of the prestigious Fields Medal (like a Nobel for math), has been compared to...

Note: Below is a copy of my January 2010 ezine, Turtle Talk. If you’d like to subscribe to Turtle Talk to get it as soon as it gets published, just go to this site: http://singingturtle.com/pages/turtle_talk.html There is a cute animation of moving...

Here’s an idea I came up with today for helping students understand more deeply the mistakes they make in algebra. One thing that makes algebra difficult is that students have, basically, no sense as to whether something is true — or not — when...

Hi everyone, Here is the answer to yesterday’s challenge problem, the probability problem about catching fish. First, there are 6 ways to catch the three fish in three casts, getting exactly one trout, one carp and one bass. You could get the fish...