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App Review: Exploring the Core
I just downloaded a new app that I think will be helpful reference! It’s called Exploring the Core. (At last check, it was $2.99.) It is, essentially, an easy-to-use [...]
Breaking and Remaking Lesson Plans
I just had an interesting lab session with a school district we’re working with this year. The teachers (K-2) want to extend the scope and dynamics of their lesson plans, and [...]
Thoughts on story problems
Story problems! They are the great bugaboo of math class, the problems everyone remembers hating, On the other hand, when educators think of “real-world” math, useful math, or [...]
In Praise of the Open Middle with Pyramid Puzzles
Sometimes you hear the perfect word to describe something you were already doing, but didn’t quite realize you were doing. My most favorite recent case of this came from [...]
Pazuju – the great new puzzle you never heard of
I remember years ago reading about Sudoku. Already popular in Japan, the reviewer predicted that it would be featured in newspapers as regularly as crossword puzzles. Since then [...]
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 [...]