This video is a brief demonstration, about 15 minutes, of some teaching I did at the 2015 New Jersey Association of Mathematics Teacher Educator meeting. Unfortunately, the video tracking is not great so much of the annotation I was doing of the participant ideas is not easy to see as I am doing it. […]

## Monthly Archives: May 2015

### NJAMTE Keynote

This is a recording of a keynote I gave at the New Jersey Association of Mathematics Teacher Educator (NJAMTE) annual meeting. The audio isn’t terrific unfortunately but it is manageable. The slides, script, references, and resources are available here.

### Fractions are hard

Fractions are hard. Of course, I knew this before my lesson on Saturday, but the responses of my students to a task really drilled that point home for me. Here is the activity I gave my students to do: Here’s what I anticipated they might do: Here’s a sample of what they actually did: Student […]