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Math Circles for Teachers
We’ll thrilled to be offering math circles for elementary and middle school teachers in partnership with the Washington Experimental Math Lab at the UW. With their generous [...]
Summer Staircase Retrospective Part 1
We recently wrapped up our most ambitious project ever, and as data on it starts to roll in, I thought I’d take a moment to share. Summer Staircase stats: —19 schools —57 [...]
An Interview with Emily Grosvenor, author of Tessalation!
Tessalation! is a new children’s book about a little girl who discovers tessellations in the outdoor world. I backed the project when it was on Kickstarter earlier this year, [...]
QAMA – the calculator that won’t make you lazy
I got a call months ago from someone with what sounded like like a bizarre idea: he claimed he’d invented a special calculator to use as a pedagogical device in the classroom. I [...]
I read pop math books. Quite a few, in fact. Also, sometimes publishers send me advance copies and ask for reviews. I generally read these too. What makes me a bad reviewer is [...]
Tiny Polka Dot has funded!
We’re thrilled to announce that our Kickstarter campaign for Tiny Polka Dot has funded! This means we’ll be bringing this game into the world before the end of the [...]
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 occurring twice. The puzzle [...]
What are the aims and goals of math education, K-2?
As part of the Math for Future Elementary School Teachers class we’re teaching at the UW, we regularly ask our students to reflect on what they’re learning in the class. This [...]
How to help your kids fall in love with math: a guide for grown-ups
So you want your kid to know math? Of course you do. Math is an important tool, used widely in many disciplines, and helps us make sense of our world. It’s also beautiful, fun, [...]
Tiny Polka Dot – the colorful math game for young kids
We’re happy to announce that our newest math game, Tiny Polka Dot, is now on Kickstarter! Tiny Polka Dot is a math game deck for 3- to 8-year-old children and their families. [...]
Math Festival, TEDx Talk, Fraction Talks
So much is coming up! First, Seattle’s Julia Robinson Math Festival is this Sunday. It’s a festival celebrating collaborative, beautiful, non-competitive mathematics. If [...]
Thoughts on linear equations
I recently received this email from a teacher I work with: “Dan, I have a question for you. I just introduced my [pre-algebra students] to slope and then to slope-intercept form of linear equations and wanted to explore with them some [...]