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```        MATH TOOLS NEWSLETTER - OCTOBER 5, 2007 - No. 56

As you browse the catalog, please take a moment to rate a
resource, comment on it, review it -- or start a new
discussion!

***FEATURED ACTIVITY
Tool: Finding Your Way Around the TI-83+/84+ Graphing Calculator
Donna Roberts
http://mathforum.org/mathtools/activity/33870/
This Graphing Calculator website contains hundreds of
examples of how to best use the graphing calculator with
specific classroom examples. Unlike using a manual, teachers
and students can see how to use this tool with actual
examples appropriate for their mathematical maturity level.
This web reference was developed as a result of workshops
given across New England and at the request of teachers
and students.

***FEATURED TOOL
Tool: Alphabet Geometry - Angles
Jamie Tubbs
http://mathforum.org/mathtools/tool/33634/
What can you learn about angles by looking at letters?
Look at the letters V, K, and L and learn about acute,
obtuse, and right angles. While there, take a look at the
letter X and learn about vertical angles.

***FEATURED TOOL
Tool: Limits at Infinity
Thomas S. Downey
http://mathforum.org/mathtools/tool/33550/
A Java applet that introduces limits at infinity. Includes
a re-scalable presentation version with large fonts.

***FEATURED TOOL
Tool: Problem Solving with Multiplication
BBC: Skillswise
http://mathforum.org/mathtools/tool/33575/
Practice problem solving with this module of multiplication
word problems, fact sheets, and worksheets. The accompanying
quiz offers several levels of difficulty.

***FEATURED TOOL
Tool: Multiples and Factors
BBC: Skillswise
http://mathforum.org/mathtools/tool/33335/
Review knowledge of multiples and factors through practice
worksheets, fact sheets, and a three-level quiz. A page
for instructors gives UK curricular alignments and other
useful web sites for teaching multiples and factors.

***FEATURED TOOL
BBC: Skillswise
http://mathforum.org/mathtools/tool/33554/
This module can be used as a starting point for learning
different methods of written addition and subtraction.
Factsheets, worksheets, games, and a quiz review and check
understanding. A "For Tutors" page gives alignments to U.K.
standards and offers other web sites for more practice.

***FEATURED TOOL
Tool: Construct foci of a given ellipse. Math Open Reference
John Page
http://mathforum.org/mathtools/tool/33874/
An interactive applet and associated web page that provide
step-by-step instructions on how to find the foci of a given
ellipse using a compass.

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