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Lesson Plan
Curated OER

Using Ratios

For Teachers 8th - 10th
Students study the Golden Ratio and its relationship to Renaissance artists. After exploring proportions and ratios used by Renaissance artists, students create a mix of ten variations of color paint, and record the ratios of primary...
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Lesson Plan
Curated OER

Modeling pentagrams using Geometers Sketchpad

For Teachers 10th - 12th
Students using visual modeling software will construct two regular pentagrams which are mathematically similar. They also create a multi-page document and learn to create links between the pages and to a website on the History of...
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Lesson Plan
Curated OER

Chessboard Series

For Teachers 9th - 12th
Students work together on a word problem. They write a written report of the answer. They participate in a chessgame in which the answers are used.