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Math Forum Internet News

Posts: 515
Registered: 3/1/05
Newsletter: Math Forum Internet News No. 18.10 (8 Mar 13)
Posted: Mar 8, 2013 12:00 PM
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8 March, 2013 Vol. 18, No. 10

THE MATH FORUM @ DREXEL INTERNET NEWS

Celebrate Pi Day Thursday, March 14Th
NCTM Annual Meeting: Early Registration Discount | Daily Desmos

***************************************************************
Register now for the T^3 International Conference in
Philadelphia, March 8-10, 2013.
Come celebrate 25 years of
connecting teachers and technology!

http://education.ti.com/educationportal/sites/US/nonProductSingle/pd_t3_international_philadelphia.html#page=page-1
***************************************************************

CELEBRATE PI DAY THURSDAY, MARCH 14TH

http://mathforum.org/t2t/faq/faq.pi.html

Celebrate Pi Day in your math class Thursday, March 14th! Check
out the Forum's Teacher2Teacher FAQ for Problems of the Week,
Ask Dr. Math conversations, book suggestions, and other web
resources on the theme.

NCTM has selected Pi Day articles, too, as well as
Illuminations' activities and resources "just for fun":

http://www.nctm.org/resources/content.aspx?id=2147483830

The Mathematical Association of America (MAA) has put out its
annual call for pi-related photos:

https://www.facebook.com/maanews/posts/506415036071420

Marcus du Sautoy has organized a free live event starting at
1:59 PM Greenwich Mean Time (8:59 AM ET):

http://oxfordconnect.conted.ox.ac.uk/

Open to anyone, Pi Day Live invites the public to find the
infinite decimal using one of four suggested methods, and then
share results. du Sautoy, the Charles Simonyi Professor for the
Public Understanding of Science at the University of Oxford,
will devote the last 15 minutes of the 50 minute-long event to
answering your questions.

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

PoW taking place: math problem-solving moment of the week

"David's other method of finding the ratio is one that nobody
else came up with, and I just really wanted to share it!
Alicia's solution is interesting because she sets up the
problem as a ratio right from the start. Another way to solve
the problem (which happens to be my favorite) was ..."

- Annie, commenting on the Geometry PoW's Latest Solution

http://mathforum.org/pows/solution.htm?publication=4186

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

NCTM ANNUAL MEETING: EARLY REGISTRATION DISCOUNT

http://www.nctm.org/conferences/content.aspx?id=34729

Save up to $80 by registering for the annual meeting of the
National Council of Teachers of Mathematics (NCTM) by
Friday, March 15th.

Taking place April 17-20 in Denver, CO, NCTM 2013 will boast
more than 700 sessions, workshops, and "bursts" on formative
assessment in the Common Core State Standards (CCSS), reasoning
and proof, research in algebraic thinking, research in proof,
response to intervention, and supporting new teachers.

To browse or search the full program, visit:

http://nctm.confex.com/nctm/2013AM/webprogram/start.html

To browse or search the Research Presession, visit:

http://nctm.confex.com/nctm/2013RP/webprogram/start.html

Once there, tweet with the hastag #NCTMDenver

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

Now taking place: math education conversation of the day

"I'm wondering if anyone has already created a simulation for
the 'Penny Lab' from College Preparatory Mathematics (CPM).
They graph the data on an overhead and then the teacher layers
the overheads to show the overall trend. Then we write a
theoretical equation to represent the experiment. I don't know
how to handle this sort of recursion with TinkerPlots (TP)."

- Jeff, posted to the Fathom and TinkerPlots discussion

http://mathforum.org/kb/thread.jspa?threadID=2439572

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

DAILY DESMOS

http://dailydesmos.blogspot.com/

Last week, three teachers began posting a new plot every day
and asking, "Can you create the following graph using
desmos.com or some other graphing tool?"

Daily Desmos was inspired by a challenge tweeted from Dan
Anderson (Saratoga Springs, NY) that Michael Fenton (Fresno,
CA) and Justin Lanier (Brooklyn, NY) enjoyed solving. Focusing
less on sophisticated, uncommon functions and more on clever or
subtle uses and combinations of elementary functions, the trio
rate each Cartesian challenge by difficulty -- and welcome
others to play:

http://dailydesmos.blogspot.com/2013/03/welcome.html

Desmos is a free online graphing calculator that zooms in and
out of plots, offers slider bars to explore parameters, and
switches between Cartesian and polar coordinates, among many
other features. For more about Desmos, including their staff
picks of "Creative Art," visit

http://www.desmos.com/

-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-

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_o \o_ __| \ / |__ o _ o/ \o/
__|- __/ \__/o \o | o/ o/__/ /\ /| |
\ \ / \ / \ /o\ / \ / \ / | / \ / \

The Math Forum @ Drexel ** 8 March 2013

An archive of all the Math Forum newsletters
and directions for subscribing can be found at
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<head>
<title>The Math Forum Internet News</title>
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<td><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sans-serif"><strong>8 March, 2013</strong></font></td>
<td><div align="right"><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sans-serif"><strong>Volume 18 No. 10</strong></font></div></td>
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<font color="#003399" size="2" face="Verdana, Arial, Helvetica, sans-serif">
<strong>In This Issue</strong>
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<!-- Start - Table of contents -->

<p><font size="2" face="Arial, Helvetica, sans-serif">Celebrate Pi Day Thursday, March 14th</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">NCTM Annual Meeting: Early Registration Discount</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">Daily Desmos</font></p>

<p>&nbsp;</p>

<p>
<img src="http://mathforum.org/pd/images/continuum.pd.jpg"; width=45><br />
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If you prefer to receive a text-only version, please send a note to <a href="http://mathforum.org/electronic.newsletter/mfin.faq.html#feedback">the Math Forum Internet Newsletter editors</a> and we will subscribe you to that list.<br>
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</font>
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<p>
<font size="2" face="Arial, Helvetica, sans-serif">
<p><strong>
<font color="#003399">Celebrate Pi Day Thursday, March 14th</font>
</strong>
</p>
<p align="center"><a href="http://mathforum.org/t2t/faq/faq.pi.html">http://mathforum.org/t2t/faq/faq.pi.html</a>
</p>
<p>
Celebrate Pi Day in your math class Thursday, March 14th! Check
out the Forum's Teacher2Teacher FAQ for Problems of the Week,
Ask Dr. Math conversations, book suggestions, and other web
resources on the theme.
</p>
<p>
NCTM has selected Pi Day articles, too, as well as
Illuminations' activities and resources "just for fun":
</p>
<p align="center"><a href="http://www.nctm.org/resources/content.aspx?id=2147483830">http://www.nctm.org/resources/content.aspx?id=2147483830</a></p>
<p>
The Mathematical Association of America (MAA) has put out its
annual call for pi-related photos:
</p>
<p align="center"><a href="https://www.facebook.com/maanews/posts/506415036071420">https://www.facebook.com/maanews/posts/506415036071420</a></p>
<p>
Marcus du Sautoy has organized a free live event starting at
1:59 PM Greenwich Mean Time (8:59 AM ET):
</p>
<p align="center"><a href="http://oxfordconnect.conted.ox.ac.uk/">http://oxfordconnect.conted.ox.ac.uk/</a></p>
<p>
Open to anyone, Pi Day Live invites the public to find the
infinite decimal using one of four suggested methods, and then
share results. du Sautoy, the Charles Simonyi Professor for the
Public Understanding of Science at the University of Oxford,
will devote the last 15 minutes of the 50 minute-long event to
answering your questions.
</font></p>

<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p align=center>
<dl>
<dt>
<i><font color="#003399">PoW taking place: math problem-solving moment of the week</font></i>
<p>
<dt>
"David's other method of finding the ratio is one that nobody
else came up with, and I just really wanted to share it!
Alicia's solution is interesting because she sets up the
problem as a ratio right from the start. Another way to solve
the problem (which happens to be my favorite) was ..."
<dd>
- Annie, commenting on the Geometry PoW's Latest Solution
<dd>
<a href="http://mathforum.org/pows/solution.htm?publication=4186">http://mathforum.org/pows/solution.htm?publication=4186</a>
</dl>
</p>
</font></p>
<hr>

<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">NCTM Annual Meeting: Early Registration Discount</font></strong></p>
<p align="center">
<a href="http://www.nctm.org/conferences/content.aspx?id=34729">http://www.nctm.org/conferences/content.aspx?id=34729</a>
</p>
<p>
Save up to $80 by registering for the annual meeting of the
National Council of Teachers of Mathematics (NCTM) by
Friday, March 15th.
</p>
<p>
Taking place April 17-20 in Denver, CO, NCTM 2013 will boast
more than 700 sessions, workshops, and "bursts" on formative
assessment in the Common Core State Standards (CCSS), reasoning
and proof, research in algebraic thinking, research in proof,
response to intervention, and supporting new teachers.
</p>
<p>
To browse or search the full program, visit:
</p>
<p align="center"><a href="http://nctm.confex.com/nctm/2013AM/webprogram/start.html">http://nctm.confex.com/nctm/2013AM/webprogram/start.html</a></p>
<p>
To browse or search the Research Presession, visit:
</p>
<p align="center"><a href="http://nctm.confex.com/nctm/2013RP/webprogram/start.html">http://nctm.confex.com/nctm/2013RP/webprogram/start.html</a></p>
<p>
Once there, tweet with the hastag #NCTMDenver
</p>
</font></p>

<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p align=center>
<dl>
<dt>
<i><font color="#003399">Now taking place: math education conversation of the day</font></i>
<p>
<dt>
"I'm wondering if anyone has already created a simulation for
the 'Penny Lab' from College Preparatory Mathematics (CPM).
They graph the data on an overhead and then the teacher layers
the overheads to show the overall trend. Then we write a
theoretical equation to represent the experiment. I don't know
how to handle this sort of recursion with TinkerPlots (TP)."
<dd>
- Jeff, posted to the Fathom and TinkerPlots discussion
<dd>
<a href="http://mathforum.org/kb/thread.jspa?threadID=2439572">http://mathforum.org/kb/thread.jspa?threadID=2439572</a>
</p>
</font></p>
</dl>
<hr>

<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">Daily Desmos</font></strong></p>
<p align="center">
<a href="http://dailydesmos.blogspot.com/">http://dailydesmos.blogspot.com/</a>
</p>
<p>
Last week, three teachers began posting a new plot every day
and asking, "Can you create the following graph using
desmos.com or some other graphing tool?"
</p>
<p>
Daily Desmos was inspired by a challenge tweeted from Dan
Anderson (Saratoga Springs, NY) that Michael Fenton (Fresno,
CA) and Justin Lanier (Brooklyn, NY) enjoyed solving. Focusing
less on sophisticated, uncommon functions and more on clever or
subtle uses and combinations of elementary functions, the trio
rate each Cartesian challenge by difficulty &mdash; and welcome
others to play:
</p>
<p align="center"><a href="http://dailydesmos.blogspot.com/2013/03/welcome.html">http://dailydesmos.blogspot.com/2013/03/welcome.html</a></p>
<p>
Desmos is a free online graphing calculator that zooms in and
out of plots, offers slider bars to explore parameters, and
switches between Cartesian and polar coordinates, among many
other features. For more about Desmos, including their staff
picks of "Creative Art," visit
</p>
<p align="center"><a href="http://www.desmos.com/">http://www.desmos.com/</a></p>
</font></p>

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