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

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***FEATURED 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."

***FEATURED DISCUSSION
Interactive whiteboard resources - elementary teachers
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/
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
http://mathforum.org/mathtools/tool/81672/
Alexander Bogomolny
An interactive Java illustration that highlights specific
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/
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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