Unlocked: Teaching math with John Mighton

I wanted everyone to read Mighton's thoughts on conceptual understanding and problem solving

Greetings from Las Vegas, where this week I’m at the Education Writers Association National Seminar, our organization’s national conference. Here’s an outline of the conference so far:

* I spent five hours on the tarmac in Colorado Springs and slept in my clothes in Denver on my way here.

* Smoking is still allowed in the casino part of the hotel.

* I m…