Two competing theories
Why do you never see a square on the rectangle page of a shapes book for children? This is the sort of book I'm talking about. I asked this question of a colleague this summer. It turns out that my colleague and I have different answers to this question. I'll share...
Adventures with kindergarten and first graders
I received this note recently: I teach 1st and I'm also in ... M.Ed program for K-6. I'd be interested in having you come to our class. Let me know if that's still possible this year. Can I make time to talk math with young children? Of course I can! Pretty soon,...
Same Idea or Different?
I am currently writing the teacher guide for my next book, How Did You Count? (See a couple of teaser photos at the end of this post!) A section of a chapter of that teacher guide has the heading Seek to Understand and to Be Understood. Those who know my teaching...
![Selfie. From left to right: Me, the 16 year-old, and [locally famous Radio Gal] on a sunny summer evening.](https://talkingmathwithkids.com/wp-content/uploads/2023/12/probability-radio-gal-1024x768.jpg)
A Very Mathy Gift List
I am obsessed with this shape toy I saw in the gift shop at the Science Museum of Minnesota last week. Seen from above in the first photo, the triangle looks like a triangle. Seen obliquely, we notice that the triangle is embossed on a half-sphere, and so the sides...
