The Why of Area Formulas

See this GeoGebra Classroom Activity Green points are drag-able.

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Why is Volume of a Pyramid one-third the Prism?

This vides shows why the volume of a pyramid is 1/3 of the volume of the prism with the same base and same height. This can be done using the solids in the Math Resource Office (MRO) at Western Illinois University.

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Wisconsin Formula Sheet

Wisconsin Mathematics Formula Reference Sheet My Version Wisconsin.Formula.Sheet (with the apothem on the back 😉) Original-Wisconsin-formula-reference-sheet – 2 pages.

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