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I know I should be working on MathMojo and writing more books, getting podcasts of Eating Math for Breakfast out, writing the Math Mojo Monthly (“Comes out Quarterly, Mostly”) and making some videos about how to make your own abax, but I got a great distraction a few minutes ago. My cousin, Jayne, who is [...] This post is concerned with a very interesting problem, called “The Traveler’s Dilemma.” There is a very good article about it, written by it’s creator, Professor Kaushik Basu, in the June, 2007 issue of the Scientific American. The article begins: “When playing this simple game, people consistently reject the rational choice. In fact, by acting illogically, [...] Just had a great evening mulching and edging our apple tree. I ran out of mulch and ground paper, but I can get more tomorrow. As I worked, I used a catch (see last post) to collect my thoughts. The one I used is my favorite – it’s a mnemonic device. I used the [...] I was out mulching our apple tree in the front yard, when some thoughts came to me. One of them was that I can see how gardening can be such great contemplative avocation. I’m not a gardener, and have never been very good at things like that, but I can weed, I can mulch, [...] Which is greater, x2*y2 or x2+y2? I am thinking about an example from a GRE (graduate record exam) book Here is the poop on how to think about examples like that. When in doubt – substitute Well, believe it or not, using the “math” they taught you in school, you can “prove” that is true. Part of the math curriculum of schools is estimating, or rounding up. This is a legitimate and important concept, when it is taught by competent and interested teachers. Man, is that a big “when.” This brings [...] “Just the facts” is worthless unless you have a way to process and understand those facts. The “tables” and “charts” don’t teach anything about understanding. Some people learn with them. Fine. But not everyone does, and that is fine, too. The people who seem to learn best don’t rely on them, though. [...] |
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