This is an I-Heart podcast.

In the world of educational research, there's a famous video of a boy named Sean.

I don't mean famous in a sense that it has a million views on YouTube.

I mean that in the circle of people who think about teaching and how to make teaching better,

the video has been written about in journal

articles and shown over and again in college classrooms. It's a 10-minute clip of a third-grade

class somewhere in Michigan. It was filmed in January of 1990, so the video is a bit grainy.

The teacher's name is Deborah Lohenberg-Ball. She's a professor

at Michigan State University, who is part of her research teaches a one-hour math class at a local

elementary school. On the day in question, Ms. Ball begins by asking her students about the

previous day's lesson, which was about even and odd numbers.

I really like to hear from as many people as possible what comments you had or reactions you had to being in that meeting yesterday.

A little boy with black hair raises his hand. His name is Sean.

I don't have anything about the meeting yesterday, but I was just thinking about six.

Sean was thinking about the number six.

I was thinking that it's an ad number two, because there could be an ad number two,

two, four, six, two, three, twos, nine, six, and two, threes.

It could be an odd and an easy number.

And both.

Three things to make it?

Uh-huh.

There could be two things like that.

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