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    MATH TOOLS NEWSLETTER - NOVEMBER 16, 2008 - No. 69

 ***THE MATH FORUM'S PROBLEM SOLVING PROCESS
 http://mathforum.org/pd/process/
 led by Suzanne Alejandre
 December 4 - January 14
 Registration closes 5 pm on Friday, November 28

 This course is designed for teachers, math coaches, and/or
 curriculum developers who are interested in the Math Forum's
 problem solving process. Activities and discussions align
 with the Math Forum's Problems of the Week, but could be
 used to develop problem solving techniques in general. View
 more description and the syllabus:

       http://mathforum.org/pd/process/syllabus.html

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 ***TI-POW INDEX PAGE
 http://mathforum.org/tpow/ti.pow.html

 These five tPoWs, freely accessible and modeled on the Math
 Forum's Problems of the Week, take advantage of TI-Nspire
 technology. Students are invited to use the link "Submit your
 answer" to share their solutions, and then "self-mentor"
 using specially designed hints and checks.

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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 TOOL
 Tool: Scientific Notation
 http://mathforum.org/mathtools/tool/65515/
 Hotmath
 By moving a decimal point to the right or left and
 multiplying by an appropriate power of 10, you can write
 a decimal number in many equivalent forms. Use this tool
 to explore equivalent forms of decimal numbers, and to write
 and multiply numbers in scientific notation.

 ***FEATURED TPOW
 tPoW: Heads and Tails
 http://mathforum.org/mathtools/tpow/64928/
 Craig Russell
 How many times do you have to flip a coin to get at
 least one head and one tail?

 ***FEATURED TPOW
 TI-PoW: Mauna Loa
 http://mathforum.org/mathtools/tpow/64823/
 William Finzer and Lillian Ray
 Use your TI-Nspire and the monthly measurement data for
 1958 through 2008 from Mauna Loa to predict the CO2 level
 for a given month.

 ***FEATURED TPOW
 TI-PoW: A Phone-y Deal?
 http://mathforum.org/mathtools/tpow/64821/
 Steve Risberg and Lillian Ray
 Use your TI-Nspire to compare two cell phone pricing plans
 and determine which one is the better deal based on call
 minutes per month.

 ***FEATURED TPOW
 TI-PoW: Caliyah's Cart
 http://mathforum.org/mathtools/tpow/64765/
 Lillian Ray
 Use your TI-Nspire to figure out the maximum number of items
 Caliyah can buy if she limits the total weight and cost of
 her purchase.

 ***FEATURED ACTIVITY
 Activity: Exploring Linear Programming
 http://mathforum.org/mathtools/activity/64767/
 Lillian Ray
 A TI-Nspire activity that introduces some of the concepts
 behind linear programming. It accompanies the TI-PoW
 Caliyah's Cart.

                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/

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       The Math Forum @ Drexel -- 16 November 2008