I have just finished reading Double Vision, by Randall Ingermanson. This science fiction thriller has a great concept, but the execution is disappointing. On the plus side, the novel speaks effectively to those of us who have worked in the… Read More ›
Math
An evening in Jamaica Plain
Barbara and I spent a few hours yesterday evening in Jamaica Plain. First we walked to the Axiom Gallery, which is hosting an intriguing Math and Art exhibit through April 27 right next to the Green Street T station (confusingly… Read More ›
N is a Number
I mentioned two days ago that I was going to watch N is a Number: A Portrait of Paul Erdős, a documentary that had been enthusiastically recommended to me by my former student, Kelly Mathislife. She writes that N is… Read More ›
Heroes
As I was reading Paul Graham’s essay, “Some Heroes,” it struck me that I’ve never liked being asked who my heroes are. In his second and fourth paragraphs, Graham reflects on the question itself: I’m not claiming this is a… Read More ›
21
Two and a half years ago I wrote a brief negative review of Bringing Down the House: The Inside Story of Six M.I.T. Students Who Took Vegas for Millions, by Ben Mezrich. I suggested that the account seemed to be… Read More ›
Math is hard, let’s go shopping, says Barbie (and others)
Remember the big kerfuffle in 1992 when Mattel released a Teen Talk Barbie that said “Math is hard, let’s go shopping”? (Actually, if you look it up, you’ll find some references that quote it that way, and others that quote… Read More ›
What's the matter with math today?
What’s the matter with math education today? No, it’s not that kids don’t know the basics, despite what some people say. And it’s not that teachers are teaching “fuzzy math,” despite what some people say. Paul Lockhart has the correct… Read More ›
Countless
I guess Kalmbach didn’t have 100 fingers:
Fractions
That’s fractions, not fractals. (There is, actually, a significant and non-coincidental connection between the words, but that would be something of a digression.) I’m noticing two recent and diametrically opposed views on fractions — views that I want to discuss… Read More ›
Happy Pi Day!
Pi Day at Weston was uneventful, except that one of my students brought in a virtual pie. Actually it was a chocolate cake, but at least it was round. And she had intended to write some of the digits of… Read More ›
Learning Strategies 