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```     MATH TOOLS NEWSLETTER - May 15, 2010 - No. 87

***Math Forum Exhibit Hall Handouts from NCSM and NCTM
http://mathforum.org/workshops/nctm2010/handouts.html
Feel free to access the printed matter (in PDF format)
distributed recently at our booths, including information
on our Professional Development program and samples from
our Problems of the Week program.

Some of the folks joining us in the display area or booth,
or presenting with us, were not actually Math Forum or
KenKen staff. These are collaborators from around the US
who have been working closely with us in our online
workshops, onsite professional development, and online
professional development courses. A big thank-you to you all!

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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 TOOL
Tool: Ratio and Proportion
http://mathforum.org/mathtools/tool/94881/
BBC: Skillswise
This module's aim is to remind learners about simple
ratio and direct proportion, using factsheets, worksheets,
an activity, a game, and a quiz at multiple difficulty levels.

***FEATURED TOOL
Tool: Perimeter
http://mathforum.org/mathtools/tool/95032/
BBC: Skillswise
This module is about finding out how to work out the
perimeter of irregular shapes, using factsheets, worksheets,
and a quiz at three levels of difficulty. Find related
resources for further exploration in the section "For Tutors."

***FEATURED TOOL
Tool: raw numbers: Weighing ingredients in metric
http://mathforum.org/mathtools/tool/95286/
BBC: Skillswise
Watch a video-clip of Kieran, apprentice chef at Fifteen
restaurant, talking about weighing ingredients in metric.

***FEATURED TOOL
Tool: Simplifying Fractions
http://mathforum.org/mathtools/tool/95477/
BBC: Skillswise
This module covers simplifying fractions, equivalent fractions,
mixed numbers, and common equivalent fractions, through
factsheets, worksheets, an activity, and a quiz at three
levels of difficulty. For UK standards alignments, technical
help, and further web resources, see the section "For Tutors."

***FEATURED TOOL
Tool: Applet 4: Probability
http://mathforum.org/mathtools/tool/95470/
Gilbert
Set the bias for the probability of heads and then view a
simulation of coin flips. Use manual or auto (slow, medium,
fast) settings.

***FEATURED ACTIVITY
Activity: Consumer Economics in Algebra
http://mathforum.org/mathtools/activity/3530/
Craig Russell and Sue Plisch
This activity was used as a project to accompany a unit on
functions in an Algebra 1 class, but it could be used at lower
or higher levels with slightly different emphases.
Explorations of retirement issues or consumer credit, using
online calculators, interview/journaling, and a group presentation.

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