Aperiodic monotiles exist!
Some delightful news from the world of pure mathematics yesterday: a team of four mathematician (Smith, Myers, Kaplan, Goodman-Strauss) released a preprint on [...]
Family Math Night Resources
[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 [...]
The award-winning lesson plan – the Billiard Ball Problem
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 [...]
Another 21st Century Pattern Block Play Idea
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 [...]
Math Play Every Day!
I’ve been following the #MathPlayEveryDay challenge from @EarlyFamilyMath on twitter. If you have or work with young kids, you should too! Day 1 – [...]
Counting with very young children
Our 3.5 year-old son is suddenly counting everything, all the time. I’m trying to remember what, if anything, we did to support his early mathematical [...]