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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!

 student engaged
 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."

 Interactive whiteboard resources - elementary teachers 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."

 Tool: Mellow Yellow: Interpreting Graphs
 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.

 Tool: Rotation transformation - Math Open Reference
 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.

 Tool: Classification of Quadrilaterals
 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.

 Tool: Rock, Paper, Scissors
 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.

 Tool: Sequences and Series of Functions Grapher
 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.

 Tool: Triangle Classification
 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