Design for Engagement
At Math On-A-Stick, we have a puzzle table for the youngest fairgoers. The table is low to the ground, near an entrance to the space, and filled with colorful, chunky shapes—durable and sized for chunky toddler hands. Here are three typical states of the puzzle table...
Five fun things to do with 21st Century Pattern Blocks
I wrote last week about the release of 21st Century Pattern Blocks on a much larger scale than before. This week, I want to share five fun math adventures that begin with these blocks. 1.Scaling Which 21st Century Pattern Blocks can you use (any number of)...
A 21st Century Challenge
After seeing Hana Murray's lovely study of rectangles made from 21st Century Pattern Blocks, I started playing and noticed that many of them seemed to involve the small green triangles. Pretty soon, I had formed a conjecture. Using copies of these at least two...
21st Century Pattern Blocks Scaling Up
I am very excited to let folks know that Dan Finkel of Math for Love has scaled up 21st Century Pattern Blocks production and availability. They've been available here on this site for a few years now. At first I was making them on a maker-space laser cutter, then I...




