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```        MATH TOOLS NEWSLETTER - FEBRUARY 5, 2005 - No. 23

We have added a new Technology problem (tPoW) to Math Tools. Feel
free to have students submit their solutions to us following

***FEATURED TPOW
Technology PoW: Traffic Jam
http://mathforum.org/mathtools/tpow/17230/
There are eleven stepping stones and ten people. On the five
lefthand stones, facing the center, stand five of the people.
The other five people stand on the five righthand stones, also
facing the center. The center stone is not occupied. Find the
fewest number of moves for the ten people to end up on the
opposite side from where they started. A link to a Java applet
is provided for students to try the idea with fewer people.

***FEATURED DISCUSSION
Mathematical maturity and lower-order knowledge & skills
Dave posted this assertion for discussion: "When referring to
a piece of the math curriculum, if a computer can do it, it is
lower-order."

***FEATURED DISCUSSION
Teaching Statistics: Differentiating and Simulating
effective activities involving technology to use in a high
school Stats class?"

***FEATURED TOOL
Tool: Fibonacci Numbers in Nature
Jill Britton
http://mathforum.org/mathtools/tool/16904/
This series of slides shows photographs and drawings of plants
in nature that exhibit and demonstrate the Fibonacci series.
Animations are also included to help the students see the
spirals and the growth patterns.

***FEATURED TOOL
Tool: Slope
Freudenthal Institute
http://mathforum.org/mathtools/tool/16781/
Students try to get a tangent line to a function at a point.
They have the option of showing a difference quotient and
zooming in.

***FEATURED TOOL
Tool: Building Houses
Freudenthal Institute
http://mathforum.org/mathtools/tool/16771/
Provides a "building pad" for constructing block houses.
Building pad is dynamic; top, front, and side views of
constructed objects are shown.

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