MATH TOOLS NEWSLETTER - July 26, 2012 - No. 110 ***Teacher2Teacher http://mathforum.org/t2t/ Do you or one of your colleagues have a question about teaching mathematics? Are you wondering about how to best implement the Common Core State Standards for your grade level? Teacher2Teacher (T2T) is a free service provided by the Math Forum and staffed by our T2T Associates: http://mathforum.org/t2t/bios/ Submit your question online here and receive a private, individual response via email: http://mathforum.org/t2t/ask/ ***Join us for an Open House at the Math Forum August 2, 2012 http://mathforum.org/blogs/happy-birthday-math-forum/ Planning to be in Philadelphia next week? The Math Forum is throwing back the curtains, dusting off the desks and opening our doors! Come help us celebrate 20 years of the Math Forum. Stop by our offices on August 2nd from 2:30-4:30pm, have some cake, meet and chat with our staff, and play some great math games. \|/ As you browse the catalog, please take a moment to rate a resource, comment on it, review it -- join an existing conversation, or start a new discussion! ***FEATURED TOOL Tool: Tip Jar http://mathforum.org/mathtools/tool/131388/ Mathalicious What's the deal with all the tip calculators in the App Store? Is calculating 15% hard? Nope, and this lesson uses percents to explore the math of eating -- and working -- in a restaurant, from leaving tips to deciding where to work. ***FEATURED TOOL Tool: Plomplex (complex function plotter) http://mathforum.org/mathtools/tool/165759/ pimvdb Plomplex is a complex function plotter using domain coloring. You can compose a function with a complex variable z, and generate a domain coloring plot of it. You can choose the plot range as well as the plot size. Iteration is also available (such as "f(f(x))"). Requires the Google Chrome browser. ***FEATURED TOOL Tool: The Trig Jig http://mathforum.org/mathtools/tool/167356/ Vika Wasyliw, Grace Ulinski, Ellie Bayles, Steve Weissburg This dance was intended to be an easy way to remember the graphs of six basic trigonometric functions: sine, cosine, tangent, cosecant, secant, and cotangent. ***FEATURED TOOL Tool: Derivative Calculator http://mathforum.org/mathtools/tool/167687/ David Scherfgen A symbolic online calculator for derivatives and partial derivatives. The user input is transformed into a graphical formula while typing in order to avoid typing mistakes. ***FEATURED TOOL Tool: Algebra Touch http://mathforum.org/mathtools/tool/172439/ Regular Berry Software LLC An algebra practice program for anyone working on simplifying expressions and solving equations. Create your own sets of problems to work through in the equation editor, and have them appear on all of your devices with iCloud. ***FEATURED TOOL Tool: Fourth Grade Splash Math [Lite] http://mathforum.org/mathtools/tool/170325/ StudyPad The full version of Splash Math has 13 chapters covering over 185 math skills and a supply of problems appropriate for fourth grade students. This "lite" version provides free access to two of the 13 chapters, including "Place Value" (numbers to a million) and "Number Sense" (compare, order, and round numbers). ***FEATURED DISCUSSION Area, Volume, and Pythagorean apps http://mathforum.org/mathtools/discuss.html?&do=m&thread=_____dev-101 jmeapps announces, "JMEapps is dedicated to development of simple, easy-to-use apps for students (and professionals...). They are free, so check them out! You can find the apps on GooglePlay. If you have suggestions for apps, please feel free to email. Thanks!" ***FEATURED DISCUSSION RE: Imagine Cup winners! - now the World Champions! http://mathforum.org/mathtools/discuss.html?&do=m&thread=_____dev-95 Suzanne adds to an ongoing discussion, "and ... drum roll, the news on July 11 was: 'Drexel University computer science graduates Matt Lesnak, Keith Ayers and N. Taylor Mullen claimed a world championship in the Microsoft Imagine Cup technology design competition after their "Math Dash" game rose to the top from a field of 106 teams from 75 countries.' Read more details here: http://bit.ly/MmjSnT" CHECK OUT THE MATH TOOLS SITE: Math Tools http://mathforum.org/mathtools/ Register http://mathforum.org/mathtools/register.html Discussions http://mathforum.org/mathtools/discuss.html Newsletter Archive http://mathforum.org/mathtools/newsletter/ Twitter Feed http://mathforum.org/pd/twitter.html Blogs http://mathforum.org/blogs/ Facebook http://www.facebook.com/themathforumatdrexel \`. .--------------.___________) \ |//////////////|___________[ ] `--------------' ) ( '-' The Math Forum @ Drexel -- 26 July 2012