March 14: π Day!

March 14, 2011

Of course you remembered that today is pi Day, right?

Pi Day Pie from Slashfood.com

Happy π Day! Pi Day Pie - Slashfood.com

Oh, or maybe better, π Day.

The good people at PiDay.org suggest a few ways you can celebrate:

Make (and Eat) a Pie – These pie recipes for Pi Day from NPR’s McCallister look incredibly tasty. But, there’s no shame in putting a frozen store-bought pie in the oven, or picking up a pie from your local bakery. Any kind of pie is great on Pi Day! If you’re making your own, get inspired by these beautifully designed Pi Day Pies. Tell us on Facebook: What’s your favorite kind of pie for Pi Day?

Hope your π Day is complete as a circle, and well-rounded!


Texas ranks ahead of Indiana in higher level math proficiency!

December 26, 2010

That’s not really great news — Texas loses to Lithuania.

But without changing the captions on this great cartoon from McLeod Cartoons, it’s about the best we can say.

McLeod Cartoons on U.S. math achievement

Bragging with little to brag about -- your child left behind

McLeod’s inspiration came from The Atlantic’s report, “Your Child left Behind.”


Powers of Ten day coming: 10/10/10

August 30, 2010

Press release from the office of the group that manages the estate and work of Charles and Ray Eames:

TENTH ANNUAL INTERNATIONAL POWERS OF TEN DAY

Santa Monica, California, August 27, 2010 /PRNewswire/ — The Eames Office announces with pleasure the Tenth Annual International Powers of Ten Day on October 10, 2010 (10/10/10). Powers of Ten Day promotes and encourages Powers of Ten Thinking, a form of rich, cross-disciplinary thought that approaches ideas from multiple interrelated perspectives, ranging from the infinitesimal to the cosmic—and the orders of magnitude in between.

Milky Way, by Charles and Ray Eames, from

The Milky Way Galaxy from the film, Powers of Ten, by Charles and Ray Eames. For use only in conjunction with press about Powers of Ten Day 2010. © 1977 Eames Office, LLC (eamesoffice.com) (caption provided)

Powers of Ten Day is inspired by the classic film Powers of Ten by designers Charles and Ray Eames. The film, a nine-minute visual journey of scale, takes the viewer from a picnic out to the edge of space and then back to a carbon atom in the hand of the man sleeping at the picnic. Every 10 seconds the view is from 10 times further away. In all, more than 40 Powers of Ten are visualized seamlessly. One of the most widely seen short films of all time—at the Smithsonian Air and Space Museum for decades and still widely used in schools around the world—Powers of Ten has influenced pop culture from The Simpsons to the rock band Coldplay, from Hummer commercials to the movie Men in Black. But Powers of Ten received perhaps the ultimate accolade in 1998 when the Library of Congress selected it, along with Easy Rider, Bride of Frankenstein, and Tootsie, for the National Film Registry—one of the 25 films of great cultural value chosen each year.

And the film’s importance only grows. Scale is not precisely just size, it is the relative size of things. As Eames Demetrios, director of the Eames Office, has said: “Scale is the new geography. So many of our challenges today are ultimately matters of scale. To be a good citizen of the world and have a chance to make it a better place, a person must have a real understanding of scale.”

Powers of Ten Day is for teachers, librarians, architects, designers, store owners, webmasters, business people, scientists, filmmakers, meditation gurus, parents, kids, and anyone wanting to extend the boundaries of their thinking. Participating can be as simple as watching the video (showing online throughout October [the tenth month] at www.powersof10.com), or putting together a screening of the film for friends or co-workers—at home, in a school, or at a library. Our goal is for as many people as possible to watch or share the film on that day. Some will be seeing it for the first time. Some will be revisiting a favorite classic. Everyone can be part of the conversation.

Powers of Ten Day can also be a lot more. Activities are happening worldwide throughout October. With the help of the DVD Scale is the New Geography as well as a Powers of Ten Box Kit, individuals (teachers in the broadest sense) can lead engaging workshops for kids and/or adults that let participants create their own scale journeys. Although those materials may be purchased at www.eamesoffice.com, as Eames Office Education Director Carla Hartman notes, “We’ve set aside some sets to be available at no charge for inquiring schools and teachers.” Those supplies are limited—and some are already being put to use. To inquire about availability of Powers of Ten supplies at no charge, email info@eamesoffice.com.

The Eames Office also encourages you to create and share your contributions. Over the years art has been created, music shared, global pilgrimages performed, and more. But most of all there has been hands-on learning. Events can be registered, and photographs, drawings, and writings uploaded. Sorted by power and by event, these will serve as inspiration and fodder for other events around the world—more than 1,000, possibly 10,000.

Anyone living in or visiting Southern California is welcome to visit the Powers of Ten Exhibition at the Eames Office in Santa Monica from now until the end of the year. There will be an event each day the exhibition is open during the month of October. Many more fun and thought-provoking activities will be available at www.powersof10.com by the end of the summer. The exhibit includes such things as a box that can hold 1 million pennies; as of mid-August, there were already 250,000! All the pennies collected will be given to TreePeople, an environmental nonprofit that unites the power of trees, people and technology to grow a sustainable future for Los Angeles.

Powers of Ten Thinking extends beyond this unique date of 10/10/10. As Demetrios says, “There is a little bit of the numerologist in all of us, so we love celebrating this date, but empowering people to explore and make connections between scales is a year-round goal of ours.” The Eames Office looks forward to tracking and inspiring another decade’s worth of Powers of Ten events. Towards that end, a map of the Earth on the website (and at the Office) will track events around our world.

The Eames Office is dedicated to communicating, preserving, and extending the work of Charles and Ray Eames. Additional information is available online at www.powersof10.com, as well as at www.eamesoffice.com and www.eamesfoundation.org.

The Powers of Ten Exhibition is open from 11 to 6, Wednesday through Saturday at the Eames Office, 850 Pico Boulevard, Santa Monica, CA 90405; 310/396-5991.

Powers of Ten Day is generously sponsored by IBM Corporation with additional support from Herman Miller Inc., Vitra, and Penfolds.

Your school should have one of the Eames versions of the film in the school library (they did more than one).  This is truly a classic, and it should be a good discussion starter for several different topics — map reading, map scaling, environmentalism, existentialism, transcendentalism, and more.

So what will you do for Powers of Ten Day?

Update:  A YouTube edition of the film, “Powers of Ten,” is now available. MFB post about the film, with embedded version and links, here.


Stupid math tricks: Judge’s innumeracy screws defendant

June 4, 2010

Had difficulty with fractions in third grade, did you?

 

Fractions, shown on a cake  - 1/4 and 1/2

Which is larger, 1/4, or 1/2?

Nothing like the judge in this story, I’m sure.  From the depths of Europe, Zeno details how a judge’s seeming infacility with numbers took an injustice against a petitioner in his court, and made it worse.

It’s the sort of error you’d expect of a third-grade kid who hasn’t watched enough “Sesame Street.”  Which of these fractions is larger?  1/5, or 1/6?

Is the judge really that dumb, or is this an elaborate, sarcastic hoax on the petitioner?

Math teachers, can you use this to show the importance of learning math well enough to do simple math functions mentally, without paper and calculator?

While you’re at Zeno’s place, Halfway There, look around. Zeno writes well, has good stories to tell, and you could learn a lot about a lot of things — you know, just by observing.


Calculus as fun

October 1, 2009

I used to love math tests.  And math homework. When I knew the stuff, I’d start hearing Bach in my head and get into a rhythm of solving the problems (though I didn’t know it was Bach until much later — “Aha!  That’s the math solving music!”).

But eventually my brain ossified, before I got calculus into it.  I believe (this is belief, not science) that at some point rather early in life our brains lose the ability to pick up new math ideas.  If you don’t have most of the stuff you need already in there, you won’t get it.  I frittered my math ability away in the library and traveling with the debate squad, not knowing that I’d never be able to get it back.  In my dual degree program, I ran into that wall where I had five years worth of credits, but was still a year away from the biology degree with a tiny handful of core courses for which calculus was a prerequisite.  Worse, I was close to completing a third major.

And I’d failed at calculus four times.

So I graduated instead, didn’t go to grad school in biology.

Earlier this last evening I sat with a couple of new teachers in math at a parents’ night function for seniors.  They commiserated over trying to make math relevant for students.  One said he couldn’t figure out how history teachers survive at all with no mass of problems to solve at the end of each chapter (that was refreshing).

It’s a constant problem.

Then I ran into this story by Jennifer Ouellette at Cocktail Party Physics:

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Students need to feel inspired, particularly when it comes to a difficult subject. While I was at the Kavli Institute for Theoretical Physics last year as journalist in residence, I got to know UC-Santa Barbara mathematician Bisi Agboola, who generously shared his own story with me. Bisi was educated in the UK and failed most of his math classes through their equivalent of high school. “I found it dull, confusing and difficult.” As a child, he was determined to find a career where he wouldn’t need any math, finally announcing to his skeptical parents that he would be a woodcutter. He was crushed when they pointed out that he would need to measure the wood.

But one summer he encountered a Time-Life book on mathematics –- Mathematics by David Bergamini -– that offered “an account of the history of some of the main ideas of mathematics, from the Babylonians up until the 1960s, and it captured my imagination and made the subject come alive to me for the very first time.” It changed his mind about this seemingly dry subject. He realized there was beauty in it. He wound up teaching himself calculus, and told me he is convinced most physicists also do this. Today he is a PhD mathematician specializing in number theory, and exotic multidimensional topologies. Ironically, he still doesn’t much like basic arithmetic: “I find it boring.”

Jennifer is writing a book on calculus, how it’s real-life stuff.  I hope it’s a great success.  I hope it works.  I hope some student is inspired to get calculus before her or his brain gets ossified.

More information:

Tip of the old scrub brush to Decrepit Old Fool.

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The circle is unbroken, though there may be tangential lines

September 30, 2009

Do you recognize this?

No, its not a slide rule - photo by Decrepit Old Fool

It sure looks like a slide rule, doesn’t it?

The last really grand slide rule I had was a fancy aluminum job that my older brother Wes used at the Air Force Academy. It was easily worth a couple of hundred dollars, and it had a very nice leather pouch.

Somebody stole it from me in the football locker room. I never liked football as much after that.

At the University of Utah I got enough ahead to buy a smaller version that still resides somewhere in our house. I actually used it once in a debate round to great effect — it was cross examination debate (not so big back then), on an energy topic. The affirmative (UCLA? USC? One of those two) had a daylight savings case. They rattled off some huge number of barrels of oil to be saved, and on c-x I got it out of them that the number was barrels saved per month. Then I got ’em to confess to how many barrels we actually use in the U.S., daily, and with the slide rule’s help calculated that they were saving one-half of one percent (0.5%), with some rather draconian measures and stiff fines and jail time.

I had the slide rule with me to do homework on the drive to and from the meet across the deserts of Utah, Arizona and New Mexico; I used it only to make sure I wasn’t off by an order of magnitude on the calculation — but when I looked up I feared the eyes of the judge were going to inflate and float out of his head. We won the round, I won the speaker points that round, and the judge commented about how facile the negative had been with numbers . . .

But I digress. A little.

Decrepit Old Fool posted that picture. It’s an iPhone — with a slide rule application (“app” to the technoscenti).

Using electrons to mimic an old slide rule! It leaves one speechless, and with a tear in one’s eye.

I’m sure I’d have to play with the thing for a few minutes to figure out how to do percentages again. The slide rule use in that debate round a few decades ago was cutting edge application of the tool at hand. It was not a fancy calculation, or difficult — it was overkill, really, because we all should have been able to do the calculations in our heads, with little fear of being inaccurate. The judge in the round was probably a speech or rhetoric grad student, working on a masters or Ph.D., and hadn’t taken a math class since freshman year. I don’t know if he thought to feel stupid; maybe he hoped the praise for our use of the thing would cover that up.

DOF makes the case that technology shouldn’t make us feel stupid, not if its makers want to sell it.  Maybe that has more to do with the demise of the slide rule than the rise of calculators does.  It’s a great post over there.  Go read it.


What’s a henway? Practical testing

May 31, 2009

Evan at Two Dishes but to One Table provides some salient commentary on the New York Regents test and practical math skills, with a little bit of Henny Youngman thrown in.  Though, I must admit my physics chops are rusty:  How many newtons to a chicken egg?  I’m almost clueless.

Warning to dilettentes:  Link to actual released Regents test included.


Equations, tattooed into our lives

May 2, 2009

Tattoo of Alison, a high-school physics teacher - from Carl Zimmers Collection, at the Loom

Tattoo of Alison, a high-school physics teacher - from Carl Zimmer's Collection, at the Loom

Can’t tell which equation is the Mandelbrot Set, which the hydrostatic equation, which the description of entropy?  Can’t figure out why the delta, and otherwise confused?  Alison explains it all, at Carl Zimmer’s blog, The Loom.

It’s relatively clear that she didn’t get the tats to use them to cheat on any exams.


π day forever

March 23, 2009

π day comes around every year on March 14, right?  3.14.

With all the other commemorative resolutions that zip through Congress, how could anyone vote against an official, federal designation of π day?

Utah Rep. Jason Chaffetz voted against the resolution.  Does he have a point?  He’s either a fool or a genius, Burr and Canham report in the Salt Lake Tribune:

Quote of the Week

“How can you vote in favor of Pi Day, if it’s just one day. Pi Day should be forever,” said Rep. Jason Chaffetz, R-Utah.

Chaffetz was one of just 10 members of Congress to oppose designating March 14th as Pi Day, meant to encourage math education. It honors the famous number pi (the ratio of the circumference of a circle to its diameter), which starts as 3.14 and goes on forever.

When asked if this is really why he voted against the resolution, Chaffetz said, “Absolutely.”

391 other members voted for the resolution.  H. Res 224, Supporting the designation of Pi Day and for other purposes, sponsored by Rep. Gordon Bart of Tennessee and 15 cosponsors, passed.  Full text below the fold, from the Library of Congress tracking application, Thomas.

Read the rest of this entry »


Math: Language for a smarter planet

March 23, 2009

But will it inspire any kid?

Tip of the old scrub brush to P***ed Off Teacher.


NY story: More money = better schools, better tests

June 24, 2008

Headlines across New York this morning shout about improved test scores, especially in reading and math, almost across the board. Scores are up in the “troubled” schools of New York City (and in the less-mentioned untroubled schools), scores are up in Buffalo. The news is so universally good that some are worried about statistical goofs, or cheating.

And while most economists with the possible exception of Milton Friedman would think it’s not news, some people point out that scores are up in poorer districts that got more money for educational programs.

At a news conference in Albany, the state education commissioner, Richard P. Mills, called the results “encouraging and exciting,” saying they were evidence that the state’s emphasis on giving more money to poorer school districts and focusing on high standards was successful. “The schools have delivered,” he said. (New York Times)

The War on Education continues unabated, however. The headline in the New York Daily News: “State math and reading exam scores released; critics question improvements.”

A beleaguered parent commented at the Daily News site:

our children are forced to do homework over weekends, Christmas vacation, winter break, spring break, etc. to prepare for these tests – their scores are up because they’ve worked hard all year!

If we’re wise, we’ll applaud the students and teachers, and we’ll wait for a lot more analysis. NYC Educator? JD2718? Is this good news for teachers in New York? Good news from teachers?

Update, June 26: NYC Educator takes note, “Test Scores Explode Statewide.”  JD2718, “Integrated Algebra Conversion Chart, Later Today.” Also:

Other notes and resources:


3rd-5th Science and math teachers: Summer academy

April 15, 2008

Nosing around the blogs of the Dallas Morning News can turn up some interesting stuff.

Do you know a good elementary school math or science teacher in Dallas ISD? They ought to apply for this program, as noted by DMN reporter Kent Fischer:

ExxonMobile Logo.gifExxonMobil sponsors a week-long summer training program for math and science teachers. The deadline to apply is many months away, but you can find out the info by clicking the jump.

The program has a good hook: They encourage students to “nominate” their teachers, to encourage good teachers to apply.

The Mickelson ExxonMobil Teachers Academy recently launched www.sendmyteacher.com that allows students to nominate their teacher to be one of the 100 teachers who will be selected to attend next year’s Academy in Jersey City, NJ. Students can send their teachers an electronic note or print out a certificate to encourage them to apply for the program. Teachers are also able to self nominate for consideration.

Students?  Know a good math or science teacher?  For readers outside of Dallas, of course, any 3rd- to 5th-grade teacher in any school is eligible.

The Academy was started by pro golfer Phil Mickelson and his wife, Amy. They worked with ExxonMobil to create a special learning environment for teachers.

They are joined by math and science experts from the National Science Teachers Association and Math Solutions who teach the teachers at the Academy. They come up with fun ways to learn math and science while playing with balloons, rocket cars and marbles. Anything is possible in math and science!

Applications are due in October 2008 for the 2009 program.


Turning a sphere inside out: Video in the classroom

October 28, 2007

How come the science guys get all the really cool videos?

I found this from Mollishka at a geocentric view, and I crib it entirely from there:

Ever wanted to see what it looks like when a sphere gets turned inside out, or simply know what is meant when people talk about turning closed surfaces (like a sphere) inside out? Hat tip to Scott Aaronson for this video:

As it turns out, I actually recognize several of the intermediate steps (for a few of the algorithms they show) as neat-o sculptures that often show up near math departments.

a geocentric view has several other features I found interesting.  It’s written by a graduate student in astronomy — go noodle around.