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Newsletter: Math Forum Internet News No. 18.36 (6 Sep 13)
Posted:
Sep 6, 2013 12:36 PM



6 September, 2013 Vol. 18, No. 36
THE MATH FORUM @ DREXEL INTERNET NEWS
The Radix Endeavor  Grandma Got STEM Travelling Salesman Movie Available for PreOrder
*************************************************************** A revamped version of the classic TI84 Plus graphing calculator, the TI84 Plus C Silver Edition combines powerful technology with eyecatching color, optimal screen display, a rechargeable battery and enhanced features.
http://education.ti.com/en/us/products/calculators/graphingcalculators/ti84pluscsilveredition/ ***************************************************************
THE RADIX ENDEAVOR
http://radixendeavor.wordpress.com/2013/09/03/playtheradixendeavor/
On Tuesday, the Education Arcade of The Massachusetts Institute of Technology (MIT) released the beta version of a massively multiplayer online (MMO) game for high school students to learn geometry, algebra, probability, statistics, and biology.
The Radix Endeavor, aligned with the Common Core State Standards (CCSS) and Next Generation Science Standards, takes place in an earthlike world during a Renaissancelike era. Students play characters who take on quests, each tied to a particular content area. Through exploration and MMO collaboration, teens conduct their own experiments to develop hypotheses and figure out how the mathematical and biological systems function in Radix's virtual world, while taking advantage of the gamebased environment to, for example, speed up time to see the outcome of a decision that  in a realworld experiment  would take months.
Start your own adventure on the island of Ysola by creating a temporary account (feel free to use a fake email address), selecting a "teacher" account, entering "MIT" as your school, and choosing it from the dropdown menu, too:
http://www.radixendeavor.org/
The Education Arcade seeks high school math and biology teachers to enroll their high schoolers in a largescale pilot test this semester. To join the pilot, see other ways to get involved, and receive updates, visit
http://eepurl.com/xoafj
Radix is funded by the Gates Foundation, and under development at the MIT Education Arcade in collaboration with Filament Games. Learn more, including how to participate in professional development at MIT, by checking out
http://education.mit.edu/projects/radixendeavor
\/\/\/\/\/\/\/\/\/\/
PoW taking place: math problemsolving moment of the week
"I knew that was the key piece of information because nothing else paved the way. I thought that 4 multiplied by an unknown number added to 3 (4 and 3 being the numbers in the ratio) multiplied by the same number would be 154. A more efficient way of saying that is 4a + 3a = 154. I am not so good at algebra so I tried dividing 154 by 7.... At first, I had accidentally erased the top of the 9 in 297 and mistook it for a 4. Later I saw my mistake and had an 'aha!' moment.... I was stuck at that part for quite some time. Then I remembered that a percent is just a different form of a fraction...."  Siena, highlighted in the PreAlgebra PoW's Latest Solution
http://mathforum.org/pows/solution.htm?publication=4270
\/\/\/\/\/\/\/\/\/\/
GRANDMA GOT STEM
http://ggstem.wordpress.com/
This Sunday may be Grandparents' Day, but a math professor began blogging earlier this year about public awareness and art projects that use grandmothers' pictures, names, and connections to science, technology, engineering, and mathematics (STEM).
With "Grandma Got STEM," Harvey Mudd College's Rachel Levy "counters the implication that grannies (gender + maternity + age) might not easily pick up on technical/theoretical ideas." Levy has already posted over a hundred times, each named in honor of a "STEMma" (with that 100th post recalling one of her own, especially endearing, STEMrelated memories: "the windshield factor"). Along the way, she has featured dozens of mathematicians, such as
 Karyn Traphagen, Executive Director of ScienceOnline2013  Carol Jo Crannell, solar astrophysicist at Goddard Space Flight Center  Shakuntala Devi, a "human computer" and Guinness World Record holder for lightningspeed calculations  Maud Menten, of the MichaelisMenten equation  "We'll just call her Dorothy," a computer programmer at Sandia National Laboratory and NASA's Jet Propulsion Laboratory with security clearances that gave her access to nuclear secrets
http://ggstem.wordpress.com/category/mathematics/
Levy, whose research interests include the hydrodynamics of whale flukeprints, hopes to involve more schoolaged children in the project. She has worked with teachers to create school assignments, and has started to make contact with leaders of after school clubs. Grandma Got STEM has already featured student submissions from preschoolers to high schoolers, who have interviewed their own grandmothers or scientists in their communities.
http://ggstem.wordpress.com/howdoisubmitnewcontent/
\/\/\/\/\/\/\/\/\/\/
Now taking place: math education conversation of the day
"There have been great discussions on the listserv and it would be wonderful to continue them in person. On a more personal note, I will be at the fall conference and would love to speak and brainstorm with other Algebra teachers. I plan to modify some of the lessons in the modules."  Caryl, posted to the middle school (grades 58) discussion group of the Association of Math Teachers of New York State
http://mathforum.org/kb/thread.jspa?threadID=2597564
\/\/\/\/\/\/\/\/\/\/
TRAVELLING SALESMAN MOVIE AVAILABLE FOR PREORDER
http://www.travellingsalesmanmovie.com/
Starting Tuesday, you can download the intellectual thriller about four mathematicians that swept best feature film, best actor, and best editor honors at the 2012 Silicon Valley Film Festival.
First featured in these pages last June, "Travelling Salesman" focuses on the ethical implications of four fictional mathematicians' breakthrough discovery about the most vexing open question in computer science. To learn more about the mathematics of traveling salesman problems, check out the Ask Dr. Math conversations
Traveling Salesman Problem: Is there an easy solution to the "Traveling Salesman Problem"? http://mathforum.org/library/drmath/view/52267.html
A Quick Overview of P vs. NP Problems: Can you explain what P and NP problems are at a level that a high school student can understand? http://mathforum.org/library/drmath/view/71720.html
Purchase the digital version of the movie  with instant streaming and HD, DRMfree downloads for iPads, Xbox, and any device that plays MP4s  directly from the filmmakers or via iTunes.
\/\/\/\/\/\/\/\/\/\/
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The Math Forum @ Drexel ** 6 September 2013
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> </head> <body> <table width="800" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="105" background="http://mathforum.org/electronic.newsletter/images/all_top.gif"> <div align="left"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="4%" height="72"> </td> <td width="45%"> </td> <td width="46%"> </td> <td width="5%"> </td> </tr> <tr> <td width="30" height="26"> </td> <td><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sansserif"><strong>6 September, 2013</strong></font></td> <td><div align="right"><font color="#333333" size="1" face="Verdana, Arial, Helvetica, sansserif"><strong>Volume 18 No. 36</strong></font></div></td> <td width="30"> </td> </tr> </table> </div> </td> </tr> <tr valign="top"> <td height="297" background="http://mathforum.org/electronic.newsletter/images/all_columns.gif"> <table width="100%" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td valign="top"> <table width="605" border="0" align="right" cellpadding="11" cellspacing="0"> <tr> <td width="135" valign="top">
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<p> <font color="#003399" size="2" face="Verdana, Arial, Helvetica, sansserif"> <strong>In This Issue</strong> </font> </p>
<! Start  Table of contents >
<p><font size="2" face="Arial, Helvetica, sansserif">The Radix Endeavor</font></p> <p><font size="2" face="Arial, Helvetica, sansserif">Grandma Got STEM</font></p> <p><font size="2" face="Arial, Helvetica, sansserif">Travelling Salesman Movie Available for PreOrder</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, sansserif"> <strong>Online PD</strong> </font> </p> <font size="1" face="Arial, Helvetica, sansserif">Free: <br> <a href="http://mathforum.org/pd/#sessions">Orientation Sessions</a><br /> <p>
Paid: <br> <font size="1" face="Arial, Helvetica, sansserif"><a href="http://mathforum.org/pd/#courses">Problem Based Learning Courses</a></font>
<p> <font size="1" face="Arial, Helvetica, sansserif">Graduate Credit:<br /> <a href="http://www.drexel.com/onlinedegrees/educationdegrees/certmlt/index.aspx">Mathematics Teaching and Learning Certificate</a><br /> </p>
<p> <a href="http://www.drexel.com/onlinedegrees/educationdegrees/msmlt/index.aspx">Master's Degree</a> </p>
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<! Start  Newletter content >
<center> <table width="100%" cellspacing=0 cellpadding=0> <tr> <td width=40> </td> <td> <p align="center"> <font color="#000000" size="1" face="Verdana, Arial, Helvetica, sansserif"> If you prefer to receive a textonly 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> You can also subscribe via <a href="http://mathforum.org/kb/rss/rssmessages.jsp?forumID=212">RSS feed</a>. </font> </p><hr> <p> <font size="2" face="Arial, Helvetica, sansserif"> <p><strong> <font color="#003399">The Radix Endeavor</font> </strong> </p> <p align="center"> <a href="http://radixendeavor.wordpress.com/2013/09/03/playtheradixendeavor/">http://radixendeavor.wordpress.com/2013/09/03/</a><br><a href="http://radixendeavor.wordpress.com/2013/09/03/playtheradixendeavor/">playtheradixendeavor/</a> </p> <p> On Tuesday, the Education Arcade of The Massachusetts Institute of Technology (MIT) released the beta version of a massively multiplayer online (MMO) game for high school students to learn geometry, algebra, probability, statistics, and biology. </p> <p> The Radix Endeavor, aligned with the Common Core State Standards (CCSS) and Next Generation Science Standards, takes place in an earthlike world during a Renaissancelike era. Students play characters who take on quests, each tied to a particular content area. Through exploration and MMO collaboration, teens conduct their own experiments to develop hypotheses and figure out how the mathematical and biological systems function in Radix's virtual world, while taking advantage of the gamebased environment to, for example, speed up time to see the outcome of a decision that — in a realworld experiment — would take months. </p> <p> Start your own adventure on the island of Ysola by creating a temporary account (feel free to use a fake email address), selecting a "teacher" account, entering "MIT" as your school, and choosing it from the dropdown menu, too: </p> <p align="center"><a href="http://www.radixendeavor.org/">http://www.radixendeavor.org/</a> </p> <p> The Education Arcade seeks high school math and biology teachers to enroll their high schoolers in a largescale pilot test this semester. To join the pilot, see other ways to get involved, and receive updates, visit </p> <p align="center"><a href="http://eepurl.com/xoafj">http://eepurl.com/xoafj</a></p> <p> Radix is funded by the Gates Foundation, and under development at the MIT Education Arcade in collaboration with Filament Games. Learn more, including how to participate in professional development at MIT, by checking out </p> <p align="center"><a href="http://education.mit.edu/projects/radixendeavor">http://education.mit.edu/projects/radixendeavor</a> </p> </font></p>
<hr> <p><font size="2" face="Arial, Helvetica, sansserif"> <p align=center> <dl> <dt> <i><font color="#003399">PoW taking place: math problemsolving moment of the week</font></i> <p> <dt> "I knew that was the key piece of information because nothing else paved the way. I thought that 4 multiplied by an unknown number added to 3 (4 and 3 being the numbers in the ratio) multiplied by the same number would be 154. A more efficient way of saying that is <nobr>4a + 3a = 154.</nobr> I am not so good at algebra so I tried dividing 154 by 7.... At first, I had accidentally erased the top of the 9 in 297 and mistook it for a 4. Later I saw my mistake and had an 'aha!' moment.... I was stuck at that part for quite some time. Then I remembered that a percent is just a different form of a fraction...." <dd>  Siena, highlighted in the PreAlgebra PoW's Latest Solution <dd> <a href="http://mathforum.org/pows/solution.htm?publication=4270">http://mathforum.org/pows/solution.htm?publication=4270</a> </dl> </p> </font></p> <hr>
<p><font size="2" face="Arial, Helvetica, sansserif"> <p><strong><font color="#003399">Grandma Got STEM</font></strong></p> <p align="center"> <a href="http://ggstem.wordpress.com/">http://ggstem.wordpress.com/</a> </p> <p> This Sunday may be Grandparents' Day, but a math professor began blogging earlier this year about public awareness and art projects that use grandmothers' pictures, names, and connections to science, technology, engineering, and mathematics (STEM). </p> <p> With "Grandma Got STEM," Harvey Mudd College's Rachel Levy "counters the implication that grannies <nobr>(gender + maternity + age)</nobr> might not easily pick up on technical/theoretical ideas." Levy has already posted over a hundred times, each named in honor of a "STEMma" (with that 100th post recalling one of her own, especially endearing, STEMrelated memories: "the windshield factor"). Along the way, she has featured dozens of mathematicians, such as </p> <ul> <li> Karyn Traphagen, Executive Director of ScienceOnline2013 </li> <li> Carol Jo Crannell, solar astrophysicist at Goddard Space Flight Center </li> <li> Shakuntala Devi, a "human computer" and Guinness World Record holder for lightningspeed calculations </li> <li> Maud Menten, of the MichaelisMenten equation </li> <li> "We'll just call her Dorothy," a computer programmer at Sandia National Laboratory and NASA's Jet Propulsion Laboratory with security clearances that gave her access to nuclear secrets </li> </ul> <p> <p align="center"><a href="http://ggstem.wordpress.com/category/mathematics/">http://ggstem.wordpress.com/category/mathematics/</a></p> <p> Levy, whose research interests include the hydrodynamics of whale flukeprints, hopes to involve more schoolaged children in the project. She has worked with teachers to create school assignments, and has started to make contact with leaders of after school clubs. Grandma Got STEM has already featured student submissions from preschoolers to high schoolers, who have interviewed their own grandmothers or scientists in their communities. </p> <p align="center"><a href="http://ggstem.wordpress.com/howdoisubmitnewcontent/">http://ggstem.wordpress.com/howdoisubmitnewcontent/</a> </font></p>
<hr> <p><font size="2" face="Arial, Helvetica, sansserif"> <p align=center> <dl> <dt> <i><font color="#003399">Now taking place: math education conversation of the day</font></i> <p> <dt> "There have been great discussions on the listserv and it would be wonderful to continue them in person. On a more personal note, I will be at the fall conference and would love to speak and brainstorm with other Algebra teachers. I plan to modify some of the lessons in the modules." <dd>  Caryl, posted to the middle school (grades 58) discussion group of the Association of Math Teachers of New York State <dd> <a href="http://mathforum.org/kb/thread.jspa?threadID=2597564">http://mathforum.org/kb/thread.jspa?threadID=2597564</a> </p> </font></p> </dl> <hr>
<p><font size="2" face="Arial, Helvetica, sansserif"> <p><strong><font color="#003399">Travelling Salesman Movie Available for PreOrder</font></strong></p> <p align="center"> <a href="http://www.travellingsalesmanmovie.com/">http://www.travellingsalesmanmovie.com/</a> </p> <p> Starting Tuesday, you can download the intellectual thriller about four mathematicians that swept best feature film, best actor, and best editor honors at the 2012 Silicon Valley Film Festival. </p> <p> First featured in these pages last June, "Travelling Salesman" focuses on the ethical implications of four fictional mathematicians' breakthrough discovery about the most vexing open question in computer science. To learn more about the mathematics of traveling salesman problems, check out the Ask Dr. Math conversations </p> <dl> <dt> Traveling Salesman Problem: Is there an easy solution to the "Traveling Salesman Problem"? </dt> <dd> <a href="http://mathforum.org/library/drmath/view/52267.html">http://mathforum.org/library/drmath/view/52267.html</a> </dd> <dt> A Quick Overview of P vs. NP Problems: Can you explain what P and NP problems are at a level that a high school student can understand? </dt> <dd> <a href="http://mathforum.org/library/drmath/view/71720.html">http://mathforum.org/library/drmath/view/71720.html</a> </dd> </dl> <p> Purchase the digital version of the movie — with instant streaming and HD, DRMfree downloads for iPads, Xbox, and any device that plays MP4s — directly from the filmmakers or via iTunes. </p> </font></p>
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