Recent Posts - page 131

  • A miraculous iPod

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    One of my ninth-graders accidentally dropped his iPod, and the screen shattered into an image of Jesus! I told him he could probably sell it to the National Enquirer for tens of thousands of dollars, but he decided to sell… Read More ›

  • Standards-based Education, Part I

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    Several years ago the entire faculty of the Weston Public Schools participated in a series of workshops on so-called Standards-based Education (SBE). There were actually a lot of good ideas in these workshops. In fact, I estimated that I had… Read More ›

  • FEMA and Internet Explorer

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    Now that Michael Brown has resigned, maybe we can learn about everything else that’s wrong with FEMA. One thing that’s wrong is that FEMA requires everyone to use Internet Explorer: Hurricane Katrina victims seeking to file claims with the Federal… Read More ›

  • Showing a calculator to a group

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    How do you display a calculator to a large group of people, such as a class? Simple if it’s a TI graphing calculator: just download the free Virtual TI, which displays not only the calculator screen but also the entire… Read More ›

  • The Kutztown 13

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    Bruce Schneier describes the Case of the Kutztown 13: …a group of high schoolers charged with felonies for bypassing security with school-issued laptops, downloading forbidden internet goodies and using monitoring software to spy on district administrators. The students, their families,… Read More ›

  • Grade inflation?

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    According to an article in this morning’s Boston Globe, the principal of Hopkinton High School has raised the grades assigned by a math teacher with 25 years of experience: Hopkinton High School teacher Rachel Bartlett appeared before the School Committee… Read More ›

  • Microsoft woes

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    Our westonmath.org website looked great in Safari on Mac OS X. But then we discovered that Microsoft misinterprets much of the CSS code, so the site looked terrible in Internet Explorer on both Macintosh and Windows. Worse yet, it looked… Read More ›

  • Socially sensitive math?

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    In our opening Math Department meeting, we all participated in the following activity. First we drew a two-set Venn Diagram, where one circle would contain everyone who was an oldest child in the family and one would contain everyone who… Read More ›

  • Homework

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    Black-eyed Susan reports on the correlation between homework and quiz scores: So far in calculus, there have been two homework assignments and two quizzes. The students who have turned in no homework have a quiz average of 52%. The students… Read More ›

  • Late to class

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    “Fed up with students routinely strolling into class well after the bell rings, high school principals across the region plan to crack down on excessive tardiness,” according to an article in today’s Boston Globe. It’s not clear to me that… Read More ›

  • How to describe a circle

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    MoebiusStripper writes about MathPower 12, an all-too-popular popular high-school mathematics textbook published by McGraw-Hill. In case the student doesn’t already know what a circle is, the text provides the following explanation: The compact disc player is everywhere these days. Developed… Read More ›

  • Misunderstanding the "Law of Averages"

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    An article in this morning’s Boston Globe begins like this: A Fung Wah bus, part of the low-fare passenger line fleet from Boston to New York, erupted in flames on an interstate highway in Connecticut yesterday, sending frightened passengers scrambling… Read More ›

  • Standardized tests

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    In yesterday’s Boston Globe there’s an interview with Bob Sternberg, psychology professor at Yale, president of the American Psychological Association, and newly appointed dean of Arts and Sciences at Tufts. Globe correspondent Peter DeMarco asked him about the use of… Read More ›

  • Sudoku revisited

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    I now think my theory about Sudoku in the Globe is wrong, or at least needs to be tweaked: IMHO yesterday’s puzzle was a lot more difficult than today’s.

  • Wikipedia

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    My current favorite resource on the Internet is the Wikipedia. Considering that anybody can write and edit its entries, I am astonished that this enormous site could be not only so comprehensive but also so reliable. Of course it contains… Read More ›

  • Quicksilver

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    I’m currently reading Quicksilver (William Morrow, Sept. 2003), by Neal Stephenson, previously author of The Diamond Age, Snow Crash, and Cryptonomicon, the last of which I should probably add to my list of favorite books. Quicksilver totals a mere 960… Read More ›

  • Doing something about stress

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    Be sure to read Anand Vaishnav’s article, headlined “Suburban high schools try to ease up on teen stress,” in today’s Globe. My favorite paragraph quotes former Lincoln-Sudbury colleague Charlie Ruopp, now principal of Wayland High School: Wayland High School tried… Read More ›

  • Math for democracy

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    I highly recommend “Mathematics and democracy: the case for quantitative literacy,” published by the National Council on Education and the Disciplines. What they’re calling “quantitative literacy” is very close to what we call “quantitative reasoning” at CSA. This online collection,… Read More ›

  • Straight as an arrow

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    Too many students (and too many parents, and even some teachers) view the process of learning math as a one-dimensional arrow, in which the courses come in a fixed order and lead inexorably to calculus and beyond. The most successful… Read More ›

  • It ain't fun if it's easy

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    An article in UMass Boston Magazine, Volume 9 Number 1, introduces Rick Jensen, the new head of the UMass Center for Environmental Health, Science, and Technology: Roderick (Rick) Jensen sees puzzles everwhere. When his daughter told him in second grade… Read More ›