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    MATH TOOLS NEWSLETTER - JULY 10, 2009 - No. 77

 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
 student engaged
 http://mathforum.org/mathtools/discuss.html?&do=m&thread=___disc_13171_g-67
 wanac states, "Any teacher can give a student a premade graph
 and ask them questions about it. But, when a student is given
 the chance to make their own graph and then answer questions,
 it gives them real ownership of their learning."

 ***FEATURED DISCUSSION
 Interactive whiteboard resources - elementary teachers
 http://mathforum.org/mathtools/discuss.html?&do=m&thread=___disc_81683_g-1
 Mathsframe.co.uk announces, "I am a primary school teacher
 from England. I have been making maths resources using Flash
 and have recently launched a website to share these resources
 with fellow teachers."

 ***FEATURED TOOL
 Tool: Mellow Yellow: Interpreting Graphs
 http://mathforum.org/mathtools/activity/82774/
 Sketchpad
 Compare different representations of motion: a story, a
 position graph, and the motion itself. Create a graph that
 matches a story, or write a story to match a graph, and
 check either by watching Mellow Yellow move.

 ***FEATURED TOOL
 Tool: Rotation transformation - Math Open Reference
 http://mathforum.org/mathtools/tool/83049/
 John Page
 A web page and interactive (Flash) applet demonstrating the
 rotation transformation. User can drag a polygon and cause it
 to rotate about a point. The point (center of rotation) can
 be also dragged and the rotation repeated about the new point.

 ***FEATURED TOOL
 Tool: Classification of Quadrilaterals
 http://mathforum.org/mathtools/tool/81672/
 Alexander Bogomolny
 An interactive Java illustration that highlights specific
 properties of various quadrilaterals. Quadrilaterals may
 be convex, orthodiagonal, cyclic, inscriptible, having
 parallel or equal sides, equilateral, or equiangular.

 ***FEATURED TOOL
 Tool: Rock, Paper, Scissors
 http://mathforum.org/mathtools/tool/81578/
 nrich.maths.org
 This is a simple online version of the game rock, paper,
 scissors. The webpage includes a background of the game,
 rules and an applet complete with images of hands showing
 rock (closed fist), paper (flat hand), scissors (two fingers).
 Ideas to extend the game are included.

 ***FEATURED TOOL
 Tool: Sequences and Series of Functions Grapher
 http://mathforum.org/mathtools/tool/81817/
 Barbara Kaskosz
 The applet plots consecutive terms of a user-defined sequence 
 or a series of functions. Those can be, in particlular, Taylor 
 series and Fourier series. A piecewise defined limit function 
 can also be entered and plotted. Many demo examples are provided.

 ***FEATURED TOOL
 Tool: Triangle Classification
 http://mathforum.org/mathtools/tool/81671/
 Alexander Bogomolny
 An interactive Java Illustration for classification of
 triangles. The types displayed are scalene, acute, obtuse,
 right, isosceles, and equilateral.


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              The Math Forum @ Drexel -- 10 July 2009