Open Spaces for Mathematical Thinking

I highly recommend this article on Yitang "Tom" Zhang's breakthrough on the Twin Primes conjecture. It's readable, inspi...

I was challenged by Brian Aspinall to do a #10goodthings blog post, so here it is. So many good things happened in 2014- reflecting back m...

The full text of the problem is missing, but you get the idea- it's a fairly typical seeming growing dot pattern.  Many of these patte...

Callum had to start taking the bus to Kindergarten.  When I picked him up the first day, I decided to get him some Timbits as a reward. ...

This summer we were chatting about our favourite digital tools on Twitter and sharing some tools we would like to explore this upcoming year...

You might know I got obssessed with Jordan Ellenberg's book, "How Not to Be Wrong."  It's not written for teachers, specif...

I was thinking today, when I attempted to tackle some yard work with a 2 year old and a 3 year old in tow, that we don't always get to d...