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Newsletter: Math Forum Internet News No. 15.46 (12 Nov 10)
Posted:
Nov 12, 2010 12:11 PM
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12 November, 2010 Vol. 15, No. 46
THE MATH FORUM @ DREXEL INTERNET NEWS
eInstruction Contest Finalists | Impact: Earth!
Chinese Puzzles
***************************************************************
Learn, energize and connect at the 2011 T3(TM) International
Conference, San Antonio, TX, TI's largest professional
development event for math educators from elementary through
college. Register now and save at
http://education.ti.com/go/t3sanantonio
***************************************************************
eINSTRUCTION CONTEST FINALISTS
http://mathforum.org/pd/contest2.html
eInstruction has announced the finalists of its fourth annual
Classroom Makeover Video Contest.
The 15 finalists, representing the top video submissions from
hundreds of entries from around the world, will be narrowed down
to three grand-prize winners by a guest judging panel and
through votes submitted by the general public on the
contest site.
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
PoW taking place: math problem-solving moment of the week
"This looks confusing, but i just wrote out each group...."
- student1317g, highlighted in the Pre-Algebra PoW's
Latest Solution
http://mathforum.org/pows/solution.htm?publication=3878
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
IMPACT: EARTH!
http://www.purdue.edu/impactearth
This interactive web tool calculates the potential damage
caused by a comet or asteroid striking the Earth. With a
schematic diagram dynamically updating along the way, enter
information such as impact angle, density, and diameter of the
object -- or select suggestions from pull-down lists, such as
"school bus - 40 ft" and "the moon - 3476 km." Then click the
"Calculate Impact" button to watch from the projectile's point
of view as it travels through space, into our atmosphere, and
on to the Earth's surface. "Impact: Earth!" estimates
consequences such as debris distribution, ground shaking, size
of the resulting crater, and the likelihood of a
resulting tsunami.
The creators of "Impact: Earth!" include astronomy professors
and members of the science team from NASA's EPOXI mission,
which flew to within 435 miles of the comet Hartley 2
last Thursday.
The largest known impact threat in Earth's near future is the
asteroid Apophis, which scientists estimate has a four-in-a-
million chance of striking the planet on April 13, 2036, seven
years after it makes a record-setting -- but harmless --
approach no closer than 18,300 miles above Earth's surface.
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
Now taking place: math education conversation of the hour
"Last year I taught it to advanced students and although I
sped through it, they did very well on the regents. This year
is a whole different story...."
- Lisa C, posted to the secondary (grades 9-12) discussion
group of the Association of Math Teachers of New
York State
http://mathforum.org/kb/thread.jspa?threadID=2179400
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
CHINESE PUZZLES
http://www.chinesepuzzles.org/
New York City's first exhibition of antique Chinese puzzles has
just opened at the Museum of Chinese in America (MOCA). Visit
"Chinese Puzzles: Games for the Hands and Mind" in historic
Chinatown now through May 2, 2011.
The accompanying website offers short illustrated histories,
cultural connections, and solutions to classics such as the
tangram, nine linked rings, ingenious rings, sliding block,
and burr puzzles.
Curators Wei Zhang and Peter Rasmussen taught computer science
and math before concentrating on collecting and researching
Chinese puzzles. They became intrigued with these puzzles partly
because of the mathematics underlying them. In addition to the
well-known geometry behind tangrams, the nine linked rings
puzzle, for example, features binary properties.
MOCA welcomes teachers and their classes to the museum to enjoy
a display of beautiful antique puzzles -- some made of
porcelain, carved ivory, and mother-of-pearl -- and to play
with a variety of modern puzzles. MOCA also conducts hands-on
sessions for school groups in the museum classroom; contact
Karen Lew, MOCA's Associate Director of Education,
at klew@mocanyc.org.
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
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The Math Forum @ Drexel ** 12 November 2010
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>12 November, 2010</strong></font></td>
<td><div align="right"><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sans-serif"><strong>Volume 15 No. 46</strong></font></div></td>
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<strong>In This Issue</strong>
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<!-- Start - Table of contents -->
<p><font size="2" face="Arial, Helvetica, sans-serif">eInstruction Contest Finalists</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">Impact: Earth!</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">Chinese Puzzles</font></p>
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<p><strong>
<font color="#003399">eInstruction Contest Finalists</font>
</strong>
</p>
<p align="center">
<a href="http://mathforum.org/pd/contest2.html">http://mathforum.org/pd/contest2.html</a>
</p>
<p>
eInstruction has announced the finalists of its fourth annual
Classroom Makeover Video Contest.
</p>
<p>
The 15 finalists, representing the top video submissions from
hundreds of entries from around the world, will be narrowed down
to three grand-prize winners by a guest judging panel and
through votes submitted by the general public on the
contest site.
</p>
</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>
"This looks confusing, but i just wrote out each group...."
<dd>
- student1317g, highlighted in the Pre-Algebra PoW's
Latest Solution
<dd>
<a href="http://mathforum.org/pows/solution.htm?publication=3878">http://mathforum.org/pows/solution.htm?publication=3878</a>
</dl>
</p>
</font></p>
<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">Impact: Earth!</font></strong></p>
<p align="center">
<a href="http://www.purdue.edu/impactearth">http://www.purdue.edu/impactearth</a>
</p>
<p>
This interactive web tool calculates the potential damage caused
by a comet or asteroid striking the Earth. With a schematic
diagram dynamically updating along the way, enter information
such as impact angle, density, and diameter of the object — or
select suggestions from pull-down lists, such as "school bus -
40 ft" and "the moon - 3476 km." Then click the "Calculate
Impact" button to watch from the projectile's point of view as
it travels through space, into our atmosphere, and on to the
Earth's surface. "Impact: Earth!" estimates consequences such as
debris distribution, ground shaking, size of the resulting
crater, and the likelihood of a resulting tsunami.
</p>
<p>
The creators of "Impact: Earth!" include astronomy professors and
members of the science team from NASA's EPOXI mission, which
flew to within 435 miles of the comet Hartley 2 last Thursday.
</p>
<p>
The largest known impact threat in Earth's near future is the
asteroid Apophis, which scientists estimate has a four-in-a-million
chance of striking the planet on April 13, 2036, seven years after it makes a record-setting — but harmless — approach no closer than 18,300 miles above Earth's surface.
</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 hour</font></i>
<p>
<dt>
"Last year I taught it to advanced students and although I
sped through it, they did very well on the regents. This year
is a whole different story...."
<dd>
- Lisa C, posted to the secondary (grades 9-12) discussion
group of the Association of Math Teachers of New
York State
<dd>
<a href="http://mathforum.org/kb/thread.jspa?threadID=2179400">http://mathforum.org/kb/thread.jspa?threadID=2179400</a>
</p>
</font></p>
</dl>
<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">Chinese Puzzles</font></strong></p>
<p align="center">
<a href="http://www.chinesepuzzles.org/">http://www.chinesepuzzles.org/</a>
</p>
<p>
New York City's first exhibition of antique Chinese puzzles has
just opened at the Museum of Chinese in America (MOCA). Visit
"Chinese Puzzles: Games for the Hands and Mind" in historic
Chinatown now through May 2, 2011.
</p>
<p>
The accompanying website offers short illustrated histories,
cultural connections, and solutions to classics such as the tangram,
nine linked rings, ingenious rings, sliding block, and burr
puzzles.
</p>
<p>
Curators Wei Zhang and Peter Rasmussen taught computer science
and math before concentrating on collecting and researching
Chinese puzzles. They became intrigued with these puzzles partly
because of the mathematics underlying them. In addition to the well-known geometry behind
tangrams, the nine linked rings puzzle, for example, features
binary properties.
</p>
<p>
MOCA welcomes teachers and their classes to the museum to enjoy
a display of beautiful antique puzzles — some made of
porcelain, carved ivory, and mother-of-pearl — and to play
with a variety of modern puzzles. MOCA also conducts hands-on
sessions for school groups in the museum classroom; contact
Karen Lew, MOCA's Associate Director of Education,
at <a href="mailto:klew@mocanyc.org">klew@mocanyc.org</a>.
</p>
</font></p>
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