This Pyramid Puzzle was recently featured in a post in Forbes about our Tiny Polka Dot campaign. Take two suits–that’s 22 cards, with 0 – 10 each [...]
So much is coming up! First, Seattle’s Julia Robinson Math Festival is this Sunday. It’s a festival celebrating collaborative, beautiful, non-competitive [...]
Back in 2006, I had the chance to see Jonathan Kozol when he visited Seattle touring his new book, The Shame of the Nation. The country, he said, had more [...]
Recently, in an art gallery in Ballard, I saw the amazing painting above. (Check out the artist’s website here.) I love this kind of mathematical [...]
If you are in Seattle or Bellevue, we have a host of great classes and circles to offer this fall, all focusing on the beauty, power, and elegance of [...]
Here’s a fun, very simple classroom game you can play for multiplication. You may know the game 21, aka blackjack. In classrooms, I like to play with a deck [...]
