I read somewhere recently the words, Math is literally a code. I won’t link to the author, their words, or the context because I have zero interest in engaging directly with online argumentat…| Overthinking my teaching
I didn’t invent Which One Doesn’t Belong. I’ve told the story of how I came to the idea many times (notably in the teacher guide to my book), but the origins lie here: Mine isn…| Overthinking my teaching
Amazing question on Twitter yesterday. The reason this particular question came my way is that I’m working on the next book, which will be about patterns and have the same spirit as Which One…| Overthinking my teaching
I am working on my next book from Stenhouse, a counting titled How Many? I took a little time away from that this summer to work on a set of shapes posters. I designed them, Tracy helped me refine …| Overthinking my teaching
Let me tell you a quick story. A number of years ago, I was for the first time working with an immigrant population that was new to me. I had questions. I asked those questions of a colleague who h…| Overthinking my teaching
(Cross-posted from Talking Math with Your Kids) Two and a half years ago, I was developing Which One Doesn’t Belong? (before Stenhouse had signed on to publish it). I went on a tour of elemen…| Overthinking my teaching
I gave a talk last week. This talk had a click-bait title, for which I am apologetic. The New Basics: Arithmetic and Algebra with 21st Century Tools. Sorry, not sorry. Here is the planned text of t…| Overthinking my teaching
A Truly Unfortunate Representation of Data accompanied a recent article on British pizza toppings. So much bad data representation wrapped into a single image. Make sure to read the fine print!| Overthinking my teaching
If you’re reading this blog, you probably know something about reflections in geometry. You have a point (purple in diagram below) and a line (solid). If you reflect the point over the line, …| Overthinking my teaching
I’ve been reading Tracy Zager’s Becoming the Math Teacher You Wish You’d Had. (Full disclosure: Tracy is my editor at Stenhouse, which published Which One Doesn’t Belong?) I…| Overthinking my teaching