Lesson Plan
Curated OER

How Many Regular Polyhedrons Are There In This or Any Universe?

For Teachers 7th - 12th
Students examine the idea of "regularity" as it pertains to geometry.  In this geometry lesson students complete several assignments that are part of trihedral angles and regular polyhedrons.
Handout
University of St. Andrews (UK)

University of St. Andrews: Galileo Galilei

For Students 9th - 10th
This site from the University of St. Andrews contains biographical information about Galileo's life and studies.

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