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Lesson Plan
Curated OER

Finding the Sum of the Exterior and Interior Angles of a Polygon

For Teachers 8th - 10th
Students find the sum of the angles of a polygon and construct a polygon given the number of sides. In this polygon lesson plan, students draw large polygons on the floor of the room. They measure the length of each side and the interior...
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Website
Florida State University

Florida State University: Molecular Expressions: Basic Concepts in Optical Microscopy

For Students 9th - 10th
This site explores the microscope in great detail. Content includes a focus on the microscope's basic functions (including a general diagram), the history of the microscope, each feature of the microscope, differing objectives,...
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Lesson Plan
PBS

Pbs Teachers: Whirlybirds [Pdf]

For Teachers 3rd - 5th
Predict and determine the frequency of an event and measure to the nearest centimeter while constructing whirlybirds in a simulation of a parachute jump competition.