I took this picture while riding on a mule down into Bryce Canyon in Utah. It was an incredibly beautiful ride, and also very scary. I ...

In my ongoing quest to find great math resources on Twitter (not hard), I started following Steve Wyborney ( @SteveWyborney ). Steve is ...

Recently, a group of educators from the Burlington School District visited The Project School in Bloomington, Indiana. This was part of ...

I appreciate Marilyn Burns’ presence on Twitter and her blog. She offers great contributions to the math education community. Marilyn...

Peter, Paul & Mary I just read a great blog post by Tracy Zager. Her blog is called Becoming the Math Teacher You Wish You’d Ha...

Wind Map during Hurricane Sandy, October 30, 2012 My friend, Michael Lye, just showed me a live wind map you can access online at  http:...

I find myself thinking a lot about redefining math, and posting things on this blog about that topic. Here, again, is a quote from a bri...

NCSM Boston Tuesday Notes. Not the band, the math conference, but I liked this picture better than generic pictures of Boston. Elham...