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Floor Circles
When teaching parts of a circle, pi, area and circumference, use a tool you already have...the floor
(Added: Sun Nov 07 1999 Hits: 4659 Rating: 6.50 Votes: 4) Rate It
Discovery of Pi
The students will: 1. Measure the circumference of an object to the nearest millimeter. 2. Measure the diameter of an object to the nearest millimeter. 3. Explain how the number 3.14 for pi was determined. 4. Demonstrate that by dividing the circumference of an object by its diameter you end up with pi. 5. Discover the formula for finding circumference using pi, and demonstrate it.
(Added: Sun Nov 14 1999 Hits: 3400 Rating: 6.57 Votes: 7) Rate It
Symmetry of Platonic solids
Lesson on the symmetry of the Platonic and Archimedean solids using Polymorf, a new math maniuplative. Demonstrates inscription, truncation, sectioning, and space filling with polyhedra.
(Added: Mon Sep 03 2001 Hits: 1833 Rating: 3.00 Votes: 2) Rate It
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