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Angles of Reflection Blog
http://www.anglesofreflection.blogspot.com/
"I am an old timer in the math ed. business," explains John
Benson. "P. J. Karafiol is a young guy with lots of insight and
energy and talent. We are good friends. He suggested that we
start a blog. After he explained to me what a blog is, I agreed
to participate. The idea is that about once a week, one of us
will write a short essay about math education. The other one
will respond...."
Read and comment on the new blogging joint venture of Benson
and Karafiol, Illinois' Presidential Awardees in Mathematics of
1987 and 2009, respectively.
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PoW taking place: math problem-solving moment of the week
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"The more interesting problem with this linear model was
pointed out by Michael from Rosemont School of the Holy Child.
He wonders, 'suppose we left the water on the stove for
1,000 hours....'"
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- Max, commenting on the Algebra PoW's Latest Solution
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http://mathforum.org/pows/solution.htm?publication=3905
Internet 2010 in Numbers
http://royal.pingdom.com/2011/01/12/internet-2010-in-numbers/
How many millions of new websites joined the web in 2010? How
many trillions of emails were sent? How many billions of
Internet users hailed from North America? Sources for these
raw numbers and pie graphs range from the Pew Research Center
to industry leaders such as MessageLabs and Verisign.
Thanks to Tara Calishain for bringing this to our attention.
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Now taking place: math education conversation of the hour
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"Then I ask them to draw a square 'Twice as big' as the first.
Almost every time the second square is four times as big as
the first...."
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- Jonathan, posted to the math-teach discussion
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http://mathforum.org/kb/thread.jspa?threadID=2229949
Math of the OED, Free
http://www.oed.com/
Want to brush up on your zenzizenzizenzic calculations? or
see the math terms that first entered the English language
during the Age of Reason, and compare them with vocabulary
introduced more recently?
Now through February 5th, access the authoritative Oxford
English Dictionary online for free by logging in with trynewoed
as both username and password.
Browse nearly 5,000 mathematics entries, alongside etymologies
and illustrative quotations:
http://www.oed.com/searchresults?subjectClass=Mathematics
The Timelines tool creates bar graphs dating when words entered
the English language:
http://www.oed.com/timelines
Parse the linguistic data by subjects such as field of math,
region of the world, and language family origin:
http://www.oed.com/advancedsearch?scope=SENSE
Thanks to Jason Kottke for bringing this to our attention.
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