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```MATH TOOLS NEWSLETTER - May 21, 2012 - No. 108

***Math Forum Handouts from NCSM and NCTM
http://mathforum.org/nctm/2012/handouts.html
Did you miss us in the booth area or during our sessions at the
recent conferences in Philadelphia? Want copies of our handouts?

***What Ignites the Math Forum?
http://mathforum.org/workshops/ncsm2012/ignite.html
Max Ray: Fun with Trig Identities
Steve Weimar: What Do We 'No'?
Annie Fetter: The Teacher I Would Have Been

***Math Forum PoW Video Scenarios
http://mathforum.org/nctm/2012/handouts.html#video
Charlie's Gumballs
Val's Values
Visiting Friends

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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
Imagine Cup winners!
http://mathforum.org/mathtools/discuss.html?&do=r&msg=167512
Suzanne adds to an ongoing discussion, "The MathDash team
reported that they won the United States Imagine Cup! Read more
about Team Drexel Dragons: Matt Lesnak, Keith Ayers, and N. Taylor
Mullen.... Next they'll be competing in the World Championship
in Sydney, Australia in July!"

***FEATURED TOOL
Tool: Sushi Monster
http://mathforum.org/mathtools/tool/167516/
Scholastic
Practice, reinforce, and extend math fact fluency with this game,
which strengthens reasoning strategies for whole number addition and
multiplication by helping monsters make a target sum or product. To
succeed, students need to plan ahead and strategically select numbers
from the sushi counter.

***FEATURED TOOL
Tool: Differentiating Powers of x (polynomials)
http://mathforum.org/mathtools/tool/167513/
Ron Barrow
This applet investigates differential calculus of powers
of x (polynomials). You can plot the primary function ( ?(x) ),
its first derivative (differential, the gradient function) ( ?'(x) )
and its second derivative ( ?''(x), the gradient of the gradient )
side by side for comparison. Use the applet to investigate
increasing and decreasing functions, maximum, minimum and other
turning points. See how the first and second differentials vary
with the primary function.

***FEATURED TOOL
Tool: Online Calculator
http://mathforum.org/mathtools/tool/167058/
Amir Rashedi
Use this online calculator to calculate mathematical expressions and
complex numbers. You can also calculate zeroes of functions, generate
a table of values for a given function, and do polar graphing.

***FEATURED LESSON PLAN
Lesson Plan: Math Forum Teacher Packet: TI Activity: Ferris Wheel
http://mathforum.org/mathtools/lesson/161769/
Max Ray
This packet contains a copy of the original problem used to create
the activity, rationale and explanation behind the "Make a
Mathematical Model" focal activity, and some thoughts on why this
activity works well with TI-NspireTM technology.

***FEATURED LESSON PLAN
Lesson Plan: Math Forum Teacher Packet: TI Activity:
http://mathforum.org/mathtools/lesson/161771/
Max Ray
This packet contains a copy of the original problem used to create
the activity, rationale and explanation behind the "I Notice,
I Wonder" focal activity, and some thoughts on why this activity
works well with TI-NspireTM technology.

***FEATURED LESSON PLAN
Lesson Plan: Math Forum Teacher Packet: TI-PoW: Mauna Loa
http://mathforum.org/mathtools/lesson/161770/
Max Ray
This packet contains a copy of the original problem used to create
the activity, rationale and explanation behind the "Change the
Representation" focal activity, and some thoughts on why this
activity works well with TI-NspireTM technology.

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