Overthinking my teaching

With all due respect, Mr.

I read somewhere recently the words, Math is literally a code.

I didn’t invent Which One Doesn’t Belong.

Amazing question on Twitter yesterday.

I am working on my next book from Stenhouse, a counting titled How Many?

Let me tell you a quick story.

(Cross-posted from Talking Math with Your Kids) Two and a half years ago, I was developing Which One Doesn’t Belong?

I gave a talk last week.

A Truly Unfortunate Representation of Data accompanied a recent article on British pizza toppings.

If you’re reading this blog, you probably know something about reflections in geometry.