Teaching & Learning

Average grades

What should an average grade be? This question actually has two very different but intertwingled meanings. Some people, when they ask it, are wondering whether the mean (or perhaps median) grade in a school/department/course should be a B or a… Read More ›

Being visited by scary reviewers

No, they weren’t actually scary. That’s merely what one of my students thought. “Weren’t you scared?” she asked. Each department in the Weston Public Schools gets reviewed every ten years or so. This year it was the Math Department’s turn…. Read More ›

Art Day

The first Wednesday of (almost) every month is professional development day in the Weston Public Schools. Students have a half-day of classes, after which they can go home and the faculty have workshops and the like. Usually these days have… Read More ›

Ethnomathematics

We have recently been discussing ethnomathematics in the context of Weston’s global awareness emphasis. Here are some thoughts on this subject: It’s worth studying number systems other than our own familiar Hindu-Arabic one. Years ago I developed quite a number… Read More ›

NJ Seeds

I’ve written posts about the Crimson Summer Academy on two earlier occasions: August 20, 2006, and May 23, 2005. Now I’m designing a math curriculum for a program with a somewhat similar basis in New Jersey: the College Prep Program… Read More ›

Big ideas

LCSI’s new blog, Thinkering, links to Seymour Papert’s homepage, which in turn links to a four-and-a-half-year-old press release from MIT, which reminded me of our commitment to big ideas in the Math Department of the Weston Public Schools. Such are… Read More ›

Irrationality

Rudbeckia Hirta reports that her college students have trouble understanding irrational numbers: Most of my students felt that 3 * sqrt(2) / 5 * sqrt(2) was irrational because of the sqrt(2). They didn’t remember that you can “cancel” (hate that… Read More ›

Maths

It’s helpful to read what the Brits say about maths teaching. I’ve recently started reading Mathematics in School, a journal published by the Mathematical Association (MA), which is more or less the British equivalent of our National Council of Teachers… Read More ›

An ethical dilemma

It is unethical, as I’m sure you know, for a teacher to reveal any individual student’s grade to another student. (Students reveal their own grades all the time, of course, but that’s their decision, not ours.) This principle placed one… Read More ›