Math Forum Internet News

Volume 22, Number 20

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 May 19, 2017                                   Vol. 22, No. 20

                  THE MATH FORUM INTERNET NEWS

                   STEM for All Video Showcase
   GeoGebra Geometry Calculator | Webinar: 20 Years of TIMSS

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                   STEM FOR ALL VIDEO SHOWCASE

 Want to see the cutting edge of teaching and learning science,
 technology, engineering, and mathematics (STEM) in action?

 Projects funded by the National Science Foundation (NSF), the
 U.S. Department of Education, and other federal agencies are
 sharing three-minute videos of how their work improves STEM in
 classrooms.

 Four dozen clips focus on innovations in math education, with
 further filtering available by grade level, organization,
 state, or audience type:

               http://stemforall2017.videohall.com/
presentations#/keyword/ids=k_131 Got a question about a video? Ask it! Now through Monday, the researchers who made the films are participating in online conversations about their work. Just look below any given video for the gray region labeled "public discussion." This third annual interactive showcase, using the Videohall platform developed by TERC, was highlighted here on its 2015 launch, with two Math Forum projects that received NSF funding. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- PoW taking place: Math problem-solving moment of the week "We needed to find an extended distance between two points, so we started brainstorming.... Now the only thing we had to do was solve. The first mistake we made was when we decided to only square both sides, as this results in an untrue statement." - Paige and Janelle, highlighted in the Geometry PoW's latest solution http://mathforum.org/pows/solution.htm?publication=4865 -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- GEOGEBRA GEOMETRY CALCULATOR https://blog.geogebra.org/2017/05/geogebra-geometry-calculator/ This past Monday, GeoGebra released geometry calculator apps. They come with a full slate of geometry tools, plus as a shape-recognition feature that makes it easy to draw segments, polygons, and circles. GeoGebra's open-source dynamic-mathematics software first appeared in these pages over a decade ago. Its new geometry calculator apps are available for Android and Apple devices; respectively, https://play.google.com/store/apps/
details?id=org.geogebra.android.geometry https://itunes.apple.com/us/app/
geogebra-geometry-calculator/id1232591335 -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- Now taking place: Math education conversation of the day "When I first encountered the surface above, I couldn't have visualized it to save my life; I had to understand it symbolically. Over the next year or two, I got better (there wasn't adequate software in those paleolithic days) and succeeded in working out what that looks like -- forming a mental image, that is -- by drawing a lot. When I finally put together that video, I knew, before the computer drew it, what I was going to see.... I think this is something where practice can indeed make perfect." - Lou, posted to the math-teach discussion http://mathforum.org/kb/message.jspa?messageID=10153055 -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- WEBINAR: 20 YEARS OF TIMSS http://www.air.org/event/20-years-timss-international-trends-
mathematics-and-science-achievement-curriculum-and In twelve days, the American Institutes for Research (AIR) will host a presentation and discussion of a recently released report that uses data from the Trends in International Mathematics and Science Study (TIMSS). Since its first administration, TIMSS has helped researchers measure students' knowledge, skills, and abilities in math and science. It has also provided insights into curriculum, instruction, and student background variables. Approximately 600,000 students worldwide participated in the last round of TIMSS, providing country comparisons in math achievement and comprehensive data on the home and school contexts for teaching and learning. With two decades of testing, TIMSS has now established the longest trend line of any international education assessment. To catch up on prior TIMSS research, visit http://timss.org/ The AIR webinar scheduled for Wednesday, May 31, will focus on a report entitled "20 Years of TIMSS" (downloads a 20M PDF): http://timss2015.org/timss2015/wp-content/
uploads/2016/T15-20-years-of-TIMSS.pdf Register for this free event using your name and email address: https://register.gotowebinar.com/register/1220970661712695554 Curious what really goes on in math classes around the world? Check out the TIMSS Videos site, first featured in these pages when it launched six years ago. Its 50+ videos reveal what actually happens inside eighth-grade mathematics classrooms from Australia, the Czech Republic, Hong Kong, Japan, the Netherlands, Switzerland, and the United States: http://timssvideo.com/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum at NCTM http://mathforum.org/ Online PD http://mathforum.org/pd/ Online Workshops http://mathforum.org/workshops/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pows/ Powerful Problem Solving http://mathforum.org/pps/ Mathematics Library http://mathforum.org/library/ Math Tools http://mathforum.org/mathtools/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/kb/ Join the Math Forum http://mathforum.org/join.forum.html Ask Dr. Math Books http://mathforum.org/pubs/dr.mathbooks.html Facebook https://www.facebook.com/themathforumatnctm/ Blogs http://mathforum.org/blogs/pows/ Twitter Feed http://mathforum.org/pd/twitter.html SEND COMMENTS TO: http://mathforum.org/electronic.newsletter/mfin.faq.html#feedback _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \ An archive of all the Math Forum newsletters and directions for subscribing can be found at http://mathforum.org/electronic.newsletter/

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