A meditation on commutativity of multiplication

We’re in the final stretch of the Kickstarter campaign now! The last ten days will determine just how successful the campaign is. Keep spreading the [...]

Posted In : , Kickstarter, Math Musings

April 17, 2020

A Meditation on the Distributive Property

Meditation on the Distributive Property In other news, I’ve been thinking about the distributive property. It’s usually summarized algebraically [...]

Posted In : , Kickstarter, Math Musings

September 14, 2019

What we mean when we say “Anyone can do math”

We need to unpack the phrase, and attendant phrases, that are so popular today, and that are in some ways so radical and unintuitive that we both believe and [...]

Posted In : , Math Musings, Pedagogy

December 3, 2018

How Do You Make Math Fun?

I was recently asked to be on a panel discussion online, along with a few others with an interest in recreational mathematics. The topic was how do you make [...]

Posted In : , Math Musings

September 12, 2018

Letter to a student – Fibonacci numbers and Lucas Numbers

Last spring I received a letter from a student who wanted to know more about me, and more, especially, about Fibonacci numbers. I wrote him back, and shared a [...]

Posted In : , Math Musings

August 21, 2018

Can’t let it go

I had a lovely experience last spring after a workshop with elementary teachers in a nearby school district. I thought I’d share. It began with saying yes to [...]

Posted In : , Doing & Thinking Math Classrooms, Making and Breaking Conjectures, Math Musings