I’ve had Conrad Wolfram on my mind for some time. He gave a TED talk on computer-based math a while back, and just gave an updated talk at Learning Without Frontiers. Here’s [...]
I was asked last week to teach a guest lesson for 3rd graders on fractions using Everyday Math. The book had some nice lessons, including one that involved building pattern block [...]
I finally tried my hand at a video explanation of a mathematical idea I like. This is part 1 in a short series on the Pythagorean Theorem. It starts where I’ve always felt the [...]
Seattle’s first Julia Robinson Mathematics Festival is coming up, and you are invited! What fraction of the regular star is shaded? What : The Julia Robinson Math Festival, a noncompetitive event featuring an abundance of inspiring [...]
Take any quadrilateral, like this one then mark the midpoints, and connect them up. It sure looks like we’ve built a parallelogram, doesn’t it? The amazing fact here is [...]
“Beauty is the first test: there is no permanent place in the world for ugly mathematics.” – G. H. Hardy I’ve been reading Proofs from THE BOOK by Aigner and Ziegler, a [...]
(Click here for Part I or Part II) Recall the puzzle: Step 1: Choose a starting number. Step 2: Square the number. Step 3: Sum up the digits of that number. Step 4: Repeat steps 2 and 3 until you understand what’s going on. and recall [...]
There are a lot of great websites on math education, but some really stand out. I’m happy to report a new one which promises to be an incredible resource: mathpickle.com. In particular, Dr. Gord–who runs the site–has produced some [...]
I’m always interested in people who can successfully talk about math to a broad audience. Here’s a surprise then: comedian Dave Gorman actually explains perfect friendly, and sociable numbers in this 4 minute clip from his comedy [...]
Hi Everyone! We’ve been away for the holidays, but back now, and looking forward to diving back into the deep end. While we’re gearing up, I thought I’d share a quick link [...]
Record Folders 54000 ft of paper 13 folds one new standard James Tanton and his students just broke the paper folding record! Follow the link for the story!
Lots in development for January, so here goes: We’re offering circles and classes all over town for kids grade K – 10, including a class for K-1 children and their parents at the Robinson Center (Nurturing the Math Instinct), and a [...]
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