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      MATH TOOLS NEWSLETTER - September 23, 2011 - No. 101

***"WHAT MATH MEANS TO ME" ART CONTEST
http://mathforum.org/pd/mymath2011.html

Put your students' artwork on the cover of McGraw-Hill's latest
math program, and your class could win nearly $15,000 in
classroom resources -- including a Math Forum Problems of the
Week class account! To learn more about this new K-5 curriculum
and inspire the artwork that your students might put on its
cover, visit:
                http://www.mheonline.com/

The "What Math Means to Me" Art Contest ends Saturday,
October 29.

***NEW CURRENT PROBLEM OF THE WEEK: PRIMARY POWS
Thanks in part to recent feedback, we've decided to roll out a
fifth current Problem of the Week service! Until we finish
re-coding our software to make the Primary PoW visible everywhere,
please find it on the calendar, alongside the schedule for our
four other services:

                http://mathforum.org/pow/support/

This launch also means that, by the end of the 2011-2012 school
year, current PoW members will enjoy access to a grand total of
100 PoWs -- all still for only $25:

            http://mathforum.org/pow/productinfo.html

Not yet a member? Register a free trial account:

            http://mathforum.org/products/trial.html

Or just download free samples of PoWs:

          http://mathforum.org/pow/teacher/samples.html

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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 DISCUSSION
geom construction software with compass -> arcs, not circles
http://mathforum.org/mathtools/discuss.html?&do=m&thread=g__h_tool__g-4
jdad explains, "My son is taking geometry and has physical
difficulty writing (he has a tremor), so doing compass and
straight edge constructions is very frustrating for him even
though he understands the principles.  I've been trying to
find some software for him to use, so he can create neat,
accurate work with less frustration."

***FEATURED TOOL
Tool: Wolfram Pre-Algebra Course Assistant
http://mathforum.org/mathtools/tool/134262/
Wolfram Alpha LLC
The Wolfram Pre-Algebra Course Assistant solves specific
pre-algebra problems on the fly. This app covers many
pre-algebra topics. It is compatible with iPhone, iPod touch,
and iPad. Requires iOS 3.2 or later.

***FEATURED TOOL
Tool: Go Big Papa?
http://mathforum.org/mathtools/tool/133799/
Mathalicious
In addition to the regular build-your-own pizzas, Papa John's
also offers a number of specialty pizzas, from The Works to
Garden Fresh to Hawaiian BBQ Chicken. They sound delicious, but
are they actually a good deal? In this lesson we'll write
and evaluate expressions to calculate how much it would cost to
build each specialty pizza topping-by-topping. We'll then
calculate the savings two ways -- in dollars and as a
percent -- to determine whether specialty pizzas are really
worth it.

***FEATURED TOOL
Tool: Spinning Spinners
http://mathforum.org/mathtools/tool/139922/
Actis Ltd.
Select from seven different sets of spinners and set the desired
number of spins. The two spinners selected can be spun up to
1 million times. The scores are counted and a bar graph displays
the data.

***FEATURED TOOL
Tool: Coin Box
http://mathforum.org/mathtools/tool/134190/
NCTM: Illuminations
Learn how to count, collect, exchange, and make change for
coins. The coin tiles help you count as you learn the value
of each coin. How many of the games can you master?

***FEATURED TOOL
Tool: Geometry Toolkit
http://mathforum.org/mathtools/tool/139925/
Ventura Educational Systems
Use the discovery approach to mathematics while your students
explore six different simulated geometry environments. Built-in
lessons provide individualized support allowing students to
progress while becoming familiar with different geometric
concepts.

***FEATURED TECHNOLOGY POW
Technology PoW: Patio Stones
http://mathforum.org/mathtools/tpow/23642/
Suzanne Alejandre
How many stones did Kathy need to buy to pave an area in her yard?
NOTE: A free login is required. Sign up using the link on the
login page, or use your existing KenKen or Problems of the Week
login--see this page for details: http://mathforum.org/tpow/

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
     Research Area  http://mathforum.org/mathtools/research/
   Developers Area  http://mathforum.org/mathtools/developers/
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

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      The Math Forum @ Drexel -- 23 September 2011