Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area lesson plan, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students...
Lesson Plan
Curated OER

Area Lesson Plan

For Teachers 7th - 8th
Students explore geometry by using computer applications. In this spatial measurement lesson, students discuss the difference between area, weight, volume and other forms of measurement. Students utilize computer applications to find the...
Lesson Plan
Curated OER

Harnessing the Wind for Electricity

For Teachers 9th
Ninth graders explain how wind can produce electricity. In this geometry lesson, 9th graders construct their own pin wheel turbine and calculate its power. They discuss the pros and cons of using wind generator.
Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...