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    MATH TOOLS NEWSLETTER - June 21, 2010 - No. 88

***Math Forum Online Course Special
Now through June 30th, if you purchase a new membership 
or renew your existing membership in the Problems of the 
Week at the Class level or higher, you can sign up for any 
of our Professional Development courses for $70--a savings 
of $79 off the regular price.

***Make It Real Learning (MIRL)
The Math Forum @ Drexel and Make It Real Learning (MIRL) have 
teamed up to provide you a discount on the engaging math 
activities in The Make It Real Learning Activity Library, 
Volume I. Now you can answer the student question, 
"When am I ever going to use this?"


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!

Tool: Equivalent Fractions
Conceptua Math
Use this tool to help students build conceptual understanding 
of equivalent fractions by emphasizing how visual models 
represent equivalence. Students learn the value of multiplying 
a fraction with a value of 1. The concept is developed through 
the use of a variety of models that include pies, vertical bars, 
horizontal bars, areas, sets and number lines. Designed to work on 
an interactive white board.

Tool: Probability
Jim Reed
Generate experimental probability results using a choice of a 
die, dice, spinner, suits, cards, or coin. Compare the experimental 
probability results to the theoretical probability.

Tool: Comparing Fractions and Percentages
BBC: Skillswise
The aim of this module is to remind learners how to recognise 
equivalencies between common fractions and percentages, using 
factsheets, worksheets, an activity, a game, and a quiz at 
three levels of difficulty. For UK standards alignments, 
technical help, and further resources on the web, see the 
section "For Tutors."

Tool: The Random Ball-Picking Machine
Predict the likelihood that a colored ball gets randomly selected 
out of a bowl. Then pull a lever to pick a ball at random, keeping
track of which color comes out, and comparing the result with what
you expected.

Tool: Shapeology
Wayne Allen Bateman
A square is broken into a number of quadrilaterals. Reassemble 
the pieces into two-unit quadrilaterals, and then re-create 
the square from these.

Tool: Adding with Uncommon Denominators
Conceptua Math
Teachers can use this tool to help students understand the 
terms "common denominators" and "uncommon denominators." 
Students learn how to determine a common denominator for two 
given fractions with uncommon denominator by multiplying one 
or both by a fraction with a value of 1.

Support Material: Inverses
Wayne Allen Bateman
This interactive multimedia tutorial introduces reciprocals 
or inverses, and leads into dividing fractions.

Support Material: Factors, Primes, and Factorization
Wayne Allen Bateman
This interactive multimedia tutorial explores prime numbers 
and factors, without the use of division per se.


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       The Math Forum @ Drexel -- 21 June 2010