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I started seeing energy, joy, and light in the children when we moved into math time. On days we had to skip math for field trips or special assemblies, the class would gasp and ask why we have to miss it.

As soon as the process of producing 21st Century Pattern Blocks had begun, I thought of Hana Murray. I’d been enjoying her pattern block masterpieces for some time, and I [...]

Some delightful news from the world of pure mathematics yesterday: a team of four mathematician (Smith, Myers, Kaplan, Goodman-Strauss) released a preprint on the Arxiv with a [...]

[Want to get right to it? This Dropbox folder has all the activities and PDFs linked below.] Teachers, administrators, and students all spend the bulk of their time in schools, [...]

Essay Submission for Rosenthal Prize, 2022 The Billiard Ball Problem When I first began teaching I felt an urgency to involve my students in mathematical problem solving. I tried [...]

I got a fun note from a friend yesterday, who has been playing with 21st Century Pattern Blocks with his 3.5 year old daughter. He had an idea for 21st Century Pattern Block play [...]

Let’s say you’re in the business of selling cookware to people, and you actually care about them a lot. You want to get them the best pots and pans possible. One option is [...]