Crane Fractions
Davis Creek

January 6, 2006

Before building with the Simple machine sets,
these two connected to http://SENSORSCITY.marshall.edu
to drop the New Year's Ball.

They also ran the rover and programs through http://lego.marshall.edu

A crane make go down like the New Year's Ball.
Pawl and ratchet keep the crane from dropping.
After building the carne they measured that a object can move 12 inches.
It takes 4 turns to move 2 inches.
We worked out how many turns would be a foot.
How many turns would be one third of a foot?
How many for three fourths of a foot?

We actually did many fraction problems.  It was great to hear "I love math".

The whole class got in on the math and some more LEGO projects.
LEGO  Links of Linda Hamilton hamilton@marshall.edu