Curated OER
Geometry: Calculating Area
In this calculating area instructional activity, students find the area of complex shapes. This one-page instructional activity contains 6 multi-step problems.
Curated OER
Calculating Surface Area
In this surface area worksheet, students find the surface are of cubes and rectangular prisms. This one-page worksheet contains 3 problems.
Curated OER
Harnessing the Wind for Electricity
Ninth graders explain how wind can produce electricity. For 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.
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