In This Issue
100th Day of School
At Right Angles
Archives of American Mathematics
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100th Day of School
http://mathforum.org/t2t/faq/faq.100.html
In the coming weeks, many students will be attending school for
the 100th day this school year.
The 100th Day can be a lot of fun — and a teachable moment!
Counting up to 100 for the 100th day of school gives teachers
many special opportunities to investigate place value.
The discussions and links to Web resources found in the FAQ
provide many ideas to make your 100th Day a memorable
experience for your students.

Now taking place: math education conversation of the day

"While on his death bed, the brilliant Indian mathematician
Srinivasa Ramanujan cryptically wrote down functions he said
came to him in dreams. Now 100 years later, researchers say
they've proved he was right. 'We've solved the problems from
his last mysterious letters. For people who work in this area
of math, the problem has been open for 90 years,' Emory
University mathematician Ken Ono said."

 Jai, posted to the sci.math discussion

http://mathforum.org/kb/thread.jspa?threadID=2426402
At Right Angles
http://azimpremjiuniversity.edu.in/registrationform downloadmathmagazineissue2
Enter a name and address to freely download the 8Mb December
issue of At Right Angles, which features pedagogy and
technology articles on

how to approach problem solving in geometry

using a spreadsheet to explore the Monty Hall problem

the role of openended questioning in
classroom teaching

the axiomatic basis of origami, and an unexpected
construction possible under the rules of paper folding

pitfalls in the teaching of the method of induction

exploring constructivism
This Indian publication's second issue came out during the
country's "national year of mathematics" and the 125th birthday
of Ramanujan. The article entitled "A math connect across the
centuries" claims that Ramanujan likely discovered an algebraic
identity that led him to a result in Euclidean geometry — a
topic that rarely appears in his notebooks.
The inaugural edition of At Right Angles introduced math
portfolios, math clubs, and a visual way to teach the birthday
paradox. Download the June issue and other joint publications
of the Azim Premji University from
http://www.azimpremjiuniversity.edu.in/content/publications

Now taking place: math education conversation of the day

"A simple math puzzle: This year, 2013, all the digits of the
year are different. When was the last time we had a year like
this? (It's been a while. For our students — and even for
some teachers — this is the first year in their lifetimes that
a year has had all digits different.)"

 Evan, posted to the secondary (grades 912) discussion group
of the Association of Math Teachers of New York State

http://mathforum.org/kb/message.jspa?messageID=7957135
Archives of American Mathematics
http://www.cah.utexas.edu/collections/math.php
The Archives of American Mathematics "collects, preserves, and
provides access to the records of American mathematicians and
mathematical organizations for use by historians,
mathematicians, educators, and others interested in the
history and development of mathematics." Online highlights of
this archival repository, housed in the Dolph Briscoe Center
for American History of the University of Texas at
Austin (UT), include


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