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Newsletter: Math Forum Internet News No. 16.49 (9 Dec 11)
Posted:
Dec 9, 2011 12:14 PM
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9 December, 2011 Vol. 16, No. 49
THE MATH FORUM @ DREXEL INTERNET NEWS
Math Forum Orientations | Math Craft
Putnam Mathematics Competition Problems and Solutions
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MATH FORUM ORIENTATIONS
http://mathforum.org/pd/#sessions
We recently opened three free, self-paced orientations to Math
Forum services.
We'd particularly like to invite trialists to this orientation,
designed to help members start using the Problems of the Week:
http://mathforum.org/pd/pow_os
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
PoW taking place: math problem-solving moment of the week
"Looking back on my work, I think about two things that I could
have done better. I think that I could have read the problem
better and maybe knew what I was doing more. I forgot about the
one roll for each person part until I read the problem over
again to check my work! I also want to get more organized with
my steps of work. Right now I have math problems scattered all
over my paper, and I would like to get them in order and easier
to read. One way I can accomplish reading the problem better is
that I can read it over in the beginning of my work to make
sure that I have got everything in my head."
- Molly, highlighted in the FunPoW's Latest Solution
http://mathforum.org/pows/solution.htm?publication=4004
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
MATH CRAFT
http://mathcraft.wonderhowto.com/
Begun in October, Math Craft explores "mathematically inspired
art and architecture through projects, community submissions,
and inspirational posts."
The Math Craft blog follows a weekly schedule, with Mondays
featuring member submissions to the community corkboard;
Tuesdays, a new project of the week; Thursdays, extensions and
more mathematical details for the current project of the week;
and Fridays, information about artists and artwork in the
field, including historical projects and works.
Recent blog posts have included
- How to Make Knot Sculptures from Soft Metals
- 7 Templates for Slide-Together Geometric
Paper Constructions
- How to Make a Magic Square Tetraflexagon
- You Won't Believe They Roll: How to Build Half Circle and
Elliptical Wobblers
- How to Make Sierpinski Carpet Cookies
- Math Craft Inspiration of the Week: The Kinetic Wave
Sculptures of Reuben Margolin
- How to Make 6-Sided Kirigami Snowflakes
- Modular Origami: How to Make a Cube, Octahedron
& Icosahedron from Sonobe Units
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
Now taking place: math education conversation of the hour
"I've got a student who is doing a science research project who
asked me this question: 'Are these the same? 65% of infants of
diabetic mothers have perinatal iron deficiency.... 65% of
mothers with gestational diabetes have perinatally iron
deficient babies.... There is a 65% chance that the baby of a
diabetic mother will be iron deficient.'"
- Mary, posted to the ap-stat discussion
http://mathforum.org/kb/thread.jspa?threadID=2322795
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
PUTNAM MATHEMATICS COMPETITION PROBLEMS AND SOLUTIONS
http://amc.maa.org/a-activities/a7-problems/putnamindex.shtml
Last Saturday, over 2,000 North American college students spent
six hours solving the twelve problems of the William Lowell
Putnam Mathematics Competition.
The Mathematical Association of America (MAA) has already
posted the problems and solutions from this year's competition.
Check back for the winners and scores.
-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-
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The Math Forum @ Drexel ** 9 December 2011
An archive of all the Math Forum newsletters
and directions for subscribing can be found at
http://mathforum.org/electronic.newsletter/
<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>9 December, 2011</strong></font></td>
<td><div align="right"><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sans-serif"><strong>Volume 16 No. 49</strong></font></div></td>
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<p>
<font color="#003399" size="2" face="Verdana, Arial, Helvetica, sans-serif">
<strong>In This Issue</strong>
</font>
</p>
<!-- Start - Table of contents -->
<p><font size="2" face="Arial, Helvetica, sans-serif">Math Forum Orientations</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">Math Craft</font></p>
<p><font size="2" face="Arial, Helvetica, sans-serif">Putnam Mathematics Competition Problems and Solutions</font></p>
<p> </p>
<p>
<img src="http://mathforum.org/pd/images/continuum.pd.jpg"; width=45><br />
<font color="#003399" size="2" face="Verdana, Arial, Helvetica, sans-serif">
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<p>
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<p><strong>
<font color="#003399">Math Forum Orientations</font>
</strong>
</p>
<p align="center">
<a href="http://mathforum.org/pd/#sessions">http://mathforum.org/pd/#sessions</a>
</p>
<p>
We recently opened three free, self-paced orientations to Math
Forum services.
</p>
<p>
We'd particularly like to invite trialists to this orientation,
designed to help members start using the Problems of the Week:
</p>
<p align="center"><a href="http://mathforum.org/pd/pow_os">http://mathforum.org/pd/pow_os</a></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>
"Looking back on my work, I think about two things that I could
have done better. I think that I could have read the problem
better and maybe knew what I was doing more. I forgot about the
one roll for each person part until I read the problem over
again to check my work! I also want to get more organized with
my steps of work. Right now I have math problems scattered all
over my paper, and I would like to get them in order and easier
to read. One way I can accomplish reading the problem better is
that I can read it over in the beginning of my work to make
sure that I have got everything in my head."
<dd>
- Molly, highlighted in the FunPoW's Latest Solution
<dd>
<a href="http://mathforum.org/pows/solution.htm?publication=4004">http://mathforum.org/pows/solution.htm?publication=4004</a>
</dl>
</p>
</font></p>
<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">Math Craft</font></strong></p>
<p align="center">
<a href="http://mathcraft.wonderhowto.com/">http://mathcraft.wonderhowto.com/</a>
</p>
<p>
Begun in October, Math Craft explores "mathematically inspired
art and architecture through projects, community submissions,
and inspirational posts."
</p>
<p>
The Math Craft blog follows a weekly schedule, with Mondays
featuring member submissions to the community corkboard;
Tuesdays, a new project of the week; Thursdays, extensions and
more mathematical details for the current project of the week;
and Fridays, information about artists and artwork in the
field, including historical projects and works.
</p>
<p>
Recent blog posts have included
</p>
<ul>
<li>
How to Make Knot Sculptures from Soft Metals
</li>
<li>
7 Templates for Slide-Together Geometric
Paper Constructions
</li>
<li>
How to Make a Magic Square Tetraflexagon
</li>
<li>
You Won't Believe They Roll: How to Build Half Circle and
Elliptical Wobblers
</li>
<li>
How to Make Sierpinski Carpet Cookies
</li>
<li>
Math Craft Inspiration of the Week: The Kinetic Wave
Sculptures of Reuben Margolin
</li>
<li>
How to Make 6-Sided Kirigami Snowflakes
</li>
<li>
Modular Origami: How to Make a Cube, Octahedron
& Icosahedron from Sonobe Units
</li>
</ul>
</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>
"I've got a student who is doing a science research project who
asked me this question: 'Are these the same? 65% of infants of
diabetic mothers have perinatal iron deficiency.... 65% of
mothers with gestational diabetes have perinatally iron
deficient babies.... There is a 65% chance that the baby of a
diabetic mother will be iron deficient.'"
<dd>
- Mary, posted to the ap-stat discussion
<dd>
<a href="http://mathforum.org/kb/thread.jspa?threadID=2322795">http://mathforum.org/kb/thread.jspa?threadID=2322795</a>
</p>
</font></p>
</dl>
<hr>
<p><font size="2" face="Arial, Helvetica, sans-serif">
<p><strong><font color="#003399">Putnam Mathematics Competition Problems and Solutions</font></strong></p>
<p align="center">
<a href="http://amc.maa.org/a-activities/a7-problems/putnamindex.shtml">http://amc.maa.org/a-activities/a7-problems/putnamindex.shtml</a>
</p>
<p>
Last Saturday, over 2,000 North American college students spent
six hours solving the twelve problems of the William Lowell
Putnam Mathematics Competition.
<p>
</p>
The Mathematical Association of America (MAA) has already
posted the problems and solutions from this year's competition.
Check back for the winners and scores.
</p>
</font></p>
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</tr>
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