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MATH TOOLS NEWSLETTER - June 24, 2013 - No. 121

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***FEATURED TOOL
Tool: Touch Pythagoras
http://mathforum.org/mathtools/tool/206418/
Maurici Carbo
With this app the Pythagorean Theorem is interactive. You 
can change the lengths of the legs (dragging),  the length 
of the hypotenuse with two fingers and zoom (pinch zoom) 
and rotate the figure (dragging). There are 3 ways to view 
the Pythagorean theorem, including showing the unit 
surfaces, two equivalent squares containing the same 
surface and the square for each leg in the square of the 
hypotenuse. You can change the precision of the lengths.

***FEATURED TOOL
Tool: Parachute Drag
http://mathforum.org/mathtools/tool/23644/
Maryland Virtual High School
Explore the effects of mass, displacement, and drag on the 
functioning of a parachute in this simulation.

***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: Data Games: Lunar Lander
http://mathforum.org/mathtools/tool/188497/
KCP Technologies, U Mass-Amherst
Students develop their skills with polynomial and rational 
expressions to create formulas that evaluate lunar 
landings. [Access requires setting up a (free) login.]

***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 SUPPORT MATERIAL
Support Material: Factors, Primes, and Factorization
http://mathforum.org/mathtools/support/96431/
Wayne Allen Bateman
This interactive multimedia tutorial explores prime numbers 
and factors, without the use of division per se.

***FEATURED DISCUSSION
notice: web seminar on simulations in STEM 
http://mathforum.org/mathtools/discuss.html?&do=m&thread=__h_tool__g-38
mathew announces, "Next Live Session - 10 July 2013, 07:00AM GMT. 'Towards a
framework for games and simulations in STEM subject assessments'"

***FEATURED DISCUSSION
Android software: Calculate formulas entered by the user
http://mathforum.org/mathtools/discuss.html?&do=m&thread=_____dev-117
toanpq shares two URLs for YouTube and one to download.

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     The Math Forum @ Drexel -- 24 June 2013