Recent Posts - page 77

  • Communicating with students

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    Sam Shah, math teacher extraordinaire from Brooklyn, has recently written a useful post about getting information from students. Like many of us, he begins the year by asking his students to write something about themselves. In my own classes this… Read More ›

  • Does a cat fit in a shoebox?

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    “I know I can fit into this shoebox,” says William, “but my leg and my tail aren’t cooperating and have to poke through.”

  • Einstein’s Dreams

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    What a mystifying play! Yesterday I went to see Einstein’s Dreams at the Central Square Theater, and I wish I brought Dr. Korsunsky along so that he could have explained the physics to me. A year of honors physics in high school was… Read More ›

  • No problem.

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    Kudos to “Miss Conduct” in today’s Boston Globe for her scientifically and morally correct answer to a reader’s question about language. A reader from East Falmouth had written in with the following question: When I thank waitstaff or some other… Read More ›

  • Flowering Judas

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    For some reason it has been nine years since I’ve reviewed a Jane Haddam novel, despite the fact that I’ve read and enjoyed almost all of the 25 or so books in her Gregor Demarkian mystery series. Flowering Judas is the most recent;… Read More ›

  • We’ve discussed this before, but…

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    …I can’t resist returning to the topic. You know what I mean. Please read the entire post in today’s Math with Bad Drawings. It won’t take you long. Then, as an exercise for the reader, think about two of the drawings in… Read More ›

  • “All students are expected to attend detention.”

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    Announcement I just noticed on the school’s closed-circuit TV: “All students are expected to attend detention.” Hmmm….

  • Cut scores: What are they, and why do we care?

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    “Cut scores”? That certainly sounds like esoteric jargon, doesn’t it? But it turns out to be an important concept, even if the general public doesn’t know the phrase. Whenever we scale a test to convert raw scores to scaled scores, we… Read More ›

  • Accents come from _______

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    One of the many things that math teachers and linguists have in common is that we are usually misunderstood by the general public. The great David Crystal has written an excellent piece on this subject in the context of being interviewed for an… Read More ›

  • Linguistics blogs

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    So here’s the dilemma, and it’s not an unusual one in the Internet of the current decade. Suppose you’re interested in linguistics, but you can’t devote your whole life to it. Your dilemma is that either you can pick two or… Read More ›

  • Extreme photojournalism

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    Famed New York Times/freelance photojournalist Lynsey Addario gave an intense presentation to students and faculty of Weston High School yesterday afternoon. “Intense” is definitely the word. Never before have I heard eight hundred high-school students sit so quietly and attentively for… Read More ›

  • How do you organize a binder?

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    Let’s suppose you have to keep a physical notebook (or binder) for a course you’re taking (or teaching, for that matter). Most people seem to prefer using tabs to give themselves the illusion of organization (oops — that shows my… Read More ›

  • “I can’t do math!”

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    In its essence this is a familiar story, but it bears reexamination. We’ll end with the Indian girl who gave up on math at age 15, but we start with the observation that American and Indian kids alike classify themselves… Read More ›

  • Yay! (maybe)

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    Good news and bad news here. The good news is that the Obama Administration seems to have softened its stand on mandatory standardized testing, which has resulted in vastly excessive time spent in many schools and totally inappropriate teacher evaluation… Read More ›

  • JEB @PA

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    They tell us that students should get to know their teachers. So, every year I show my classes excerpts from Kevin Rafferty’s movie, Regular Guys. This is partly so that my students can get a better picture of my own high-school experience and partly… Read More ›

  • Marauder’s Map

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    Harry would be jealous. Look at this: it’s a real-life Marauder’s Map! But instead of showing where people are, it shows where MBTA subway trains are — right now, in real time. How cool is that?

  • Rails across Canada?

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    For the second time, Barbara and I are planning to take the train from Boston to Chicago this April to visit the in-laws…and to enjoy the journey, of course. But that’s less than half the distance across the continent. At… Read More ›

  • The so-called Life-Changing Magic of Tidying Up 

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    What an annoying book! How did it become a New York Times best-seller??? In the words of H.L. Mencken, “no one ever went broke underestimating the intelligence of the American people,” so maybe that’s the explanation. In The Life-Changing Magic of Tidying Up, Marie… Read More ›

  • Why crypto in high school?

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    So I was out to dinner this evening with some old friends — no, not “old” friends in that sense, but “old friends” if you know what I mean — and one of them was surprised that cryptography is effectively… Read More ›

  • X

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    The last time I wrote about Sue Grafton’s Kinsey Millhone mystery series was two and a half years ago. At that point I was up to V. Then came W — and now, of course, X. But this one breaks… Read More ›