Recent Posts - page 129
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What is trigonometry?
“Trigonometry is algebra tainted by geometry,” according to one of my students.
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Logarithms and the Hippocratic Oath
I just finished reading The Oath, a novel by John Lescroart. A hospital is suffering from deep financial woes. One character says: Every day the hospital’s troubles are increasing logarithmically! I guess there isn’t much that they have to worry… Read More ›
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Charging what the market will bear
The folks at TechFusion must be good guys, right? After all, their company is one of WBUR’s underwriters. And they advertise “No Job Too Large or Too Small.” Of course I was suspicious in the first place when I heard… Read More ›
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Globe speaks out for Dorchester!
What does the Globe normally say about Dorchester? Well, the three most frequently reported topics are crime, crime, and crime. So it was welcome news to see a large article right on the first page of Metro/Region in yesterday’s Globe… Read More ›
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The power of visual representations
In middle- and high-school math classes, we spend a lot of time helping students learn different representations of mathematical relations: words, equations, graphs, tables, etc. One of the big ideas is that a particular representation may be more powerful than… Read More ›
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Anti-Semitism?
Conversation overheard in the Math/Science Office the other day: Ms. X [to Student Y]: I need a babysitter for my kids. Do you babysit? Student Y: Yes, I do. Ms. X: You aren’t Jewish, are you? Student Y: No. Not… Read More ›
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Hacking, not cracking
It says here that “the word the word ‘hack’ may be losing its negative connotations.” Duxbury High School engineering teacher Chris Connors is sponsoring a contest among his students to see who can come up with the best hack. Sounds… Read More ›
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How to protect your kids: a modest proposal from Scituate
Catching up on Monday’s Boston Globe: Red-light runners in Boston and Cambridge could soon be handing over some green if the Legislature lets the cities set up cameras at intersections to nab violators… [Name Omitted] of Scituate, who drives often… Read More ›
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Conspiracy theory: more "evidence"
This is a follow-up to my post of 10/5. In a letter to the editor of the Boston Globe today, one Jeff Loja of Halifax says: It seems abundantly clear that the purpose of ABC’s new show “Commander in Chief”..is… Read More ›
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Principal search
We’re looking for a new principal, as our previous one moved to Georgia over the summer to become an Assistant Superintendent in the Cobb County district. This year we have an interim principal at Weston, as we search for a… Read More ›
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Conspiracy theories
From the right: THE HILLARY CLINTON ’08 CAMPAIGN AIRED ITS FIRST, HOUR-LONG COMMERCIAL last night. [caps in original] Unfortunately, it came masked as a primetime network TV series… Last night, “Commander in Chief” portrayed conservatives as ruthless, power-hungry, militaristic, Bible-thumping, sexist… Read More ›
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Are men malingerers?
According to the Boston Globe: Men are twice as likely as women to play hooky by calling in sick, according to a recent poll. The 11th annual Attitudes in the American Workplace poll, reported by the Marlin Co., a workplace… Read More ›
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Robert Noyce and Bringing Down the House
Usually I’m in the middle of reading two books at once — typically a novel and a non-fiction work. But for some reason I’m currently reading a biography that’s definitely non-fiction and a former best-seller that purports to be non-fiction…. Read More ›
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Merit pay
Our distinguished governor, Mitt Romney, advocates merit pay for teachers, based on the standardized test scores of their students. Vivian Troen and Katherine C. Boles wrote an op-ed piece about this idea in the Boston Globe on 9/28. I was… Read More ›
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Back-to-school night
Yesterday evening we held our annual Back-to-School Night at Weston High School. You know the drill: the parents come to school, arrive late at their first-period class because they can’t find a parking space, go to one ten-minute class after… Read More ›
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Partial Credit
One of my students — let’s call her Artemis — muses in her blog: Giving partial credit may be helpful to a student’s grade in school but in real life, people don’t want to know how you did something, they… Read More ›
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Habits of highly effective teachers?
Key Curriculum Press publishes our new Algebra II textbook as well as two software products that have had a significant impact on many high-school math teachers, Geometer’s Sketchpad and Fathom. Their recent catalog includes a moderately long article entitled “The… Read More ›
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Bullet voting, pro and con
On Tuesday, Boston voters will go to the polls in the “preliminary election” for City Council. Something like a primary, the preliminary election narrows each race down to a number of candidates equal to twice the number who will be… Read More ›
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Standards-based Education, Part IV
Standards-based education encourages us to give untimed tests. This idea makes a lot of sense: if I want to tell whether a student can solve a quadratic equation, I shouldn’t be testing how fast s/he can solve the equation. The… Read More ›
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The unreasonable effectiveness of mathematics
If you look at almost any set of modern standards for mathematics teaching — such as the NCTM’s or the Massachusetts curriculum frameworks or Weston’s own standards — you will see a prominent role for applications of mathematics. This is… Read More ›
Featured Categories
Books ›
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First do no harm.
March 24, 2026
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At Midnight Comes the Cry
March 21, 2026
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Vance and Moore… back when both of them were younger
March 11, 2026
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The Dry
March 8, 2026
Dorchester/Boston ›
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Happy spring! Happy buck-a-shuck!
March 20, 2026
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A special brunch at Tavolo
March 1, 2026
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Milkweed
January 16, 2026
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This year’s traditional Christmas dinner
December 26, 2025
Food & Restaurants ›
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Thai Oishii
November 16, 2025
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Chinese food in Greater Boston, then and now
November 1, 2025
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Dumpling Kitchen
October 11, 2025
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Totto Ramen
July 23, 2025
Life ›
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Taunton vs. Colmar?
March 4, 2026
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Streets of Minneapolis
January 28, 2026
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They understand us across the pond.
January 11, 2026
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A note from Langston Hughes to my dad
January 10, 2026
Linguistics ›
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Picard: Welcome to the Sticks!
March 6, 2026
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Everything you wanted to know about the Great Vowel Shift but were afraid to ask
February 8, 2026
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Who’s better at understanding written English — you or some random teen in South Korea?
January 22, 2026
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Will the real John McWhorter please stand up? (No, no, that’s not the real one; that’s the AI John McWhorter!)
January 18, 2026
Math ›
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Very sad news
October 17, 2025
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The metric system has gotten an update!
July 14, 2025
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As Tom Lehrer says, that’s mathematics!
July 9, 2025
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The Plinko Bounce
June 28, 2025
Model Railroading ›
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Famous railway modellers
March 16, 2026
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“So you want a model railroad” — a well-known… okay… not-so-well-known Warner Bros. film from 1955
November 22, 2025
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Three cheers for Jason Jensen — not only a model railroader but also a true American artist!
November 17, 2025
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No need for instructions?
June 4, 2025
Movies & (occasionally) TV ›
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The new Springsteen bio-pic
November 11, 2025
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Breaking Silence: a truly outstanding documentary!
July 29, 2025
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The Social Network
May 11, 2025
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Dylan
January 8, 2025
Teaching & Learning ›
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Triple threat: Carl Sagan, critical thinking, and an exam
October 13, 2025
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Truly these are oldies but goodies — songs from… wait for it… two millennia ago!
September 28, 2025
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Measles and polio down in the schoolyard
September 8, 2025
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A former student’s PhD defense
August 15, 2025
Technology ›
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Not the other Wes Moore
June 22, 2025
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Bye bye Mark Z.
February 6, 2025
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Posts you may have missed
March 15, 2024
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I’m back!
February 28, 2024
Travel ›
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Written in the South Pacific during World War II
February 17, 2025
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Globle
February 15, 2023
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No pirates. And it’s not in Penzance. But it’s nearby: It’s Death in Cornwall.
August 9, 2022
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Miriam and Alan explore Scotland.
July 6, 2022
Weston ›
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“Dear parents of math geniuses…,” writes Tanya Khovanova
December 6, 2022
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How can girls succeed at the highest level of high-school debate?
November 20, 2022
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Reading Latin and Ancient Greek for fun and profit. For what? Fun? Yes, fun. Really. And the profit was purely intellectual, not financial.
October 19, 2022
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Trust what you read! (On second thought…)
September 2, 2022