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```         MATH TOOLS NEWSLETTER - MAY 6, 2006 - No. 39

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

***FEATURED TPOW
tPoW: Tangrams
http://mathforum.org/mathtools/tpow/24048/
Use an interactive applet to discover some of the
relationships among the pieces in a set of Tangrams.

***FEATURED TPOW
tPoW: Temperature Change
Judy Ann Brown and Suzanne Alejandre
http://mathforum.org/mathtools/tpow/24047/
Use the given information to find the temperature.

***FEATURED TPOW
tPoW: Munching Bugs
Lillian Ray
http://mathforum.org/mathtools/tpow/24046/
Help Sam the Chameleon use a special rule to find
the bugs he can eat.

***FEATURED TPOW
tPoW: Train Trouble
http://mathforum.org/mathtools/tpow/24045/
How fast is the train moving to allow Herman and
Sheila to each escape the tunnel?

***FEATURED TOOL
Tool: Parachute Drag
Maryland Virtual High School
http://mathforum.org/mathtools/tool/23644/
Explore the effects of mass, displacement, and drag on the
functioning of a parachute in this simulation.

***FEATURED TOOL
Tool: Pollution and Peppered Moths
Maryland Virtual High School
http://mathforum.org/mathtools/tool/23639/
This model explores the effects of pollution and bird
predation on the protective coloration of peppered moths
(through directed selection). A series of questions guides
students' explorations.

***FEATURED DISCUSSION
Integration
natty writes, "I would like to know which kind of tech that
I have to use in order to integrate the ... following equation..."

***FEATURED DISCUSSION
Explorelearning science and math
Susan asks, "Has anyone used any of the http://explorelearning.com
shockwave science applets to teach math topics?"

***FEATURED DISCUSSION
Probability & Simultaneous Equations Java Applets
Sione writes, "I have just put up two applets .... One applet
is for Probability calculations, where it does experimental
simulations, equally likely events, probability tree....The
second applet is for solving step-by-step of a pair of
simultaneous equations either by 'substitution' or
'elimination' methods."

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