Find Sadie, the lost pooch: A trilateration actiivty

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This share-a-thon presentation is a trilateration activity from the GPS STEM Curriculum that helps students see how position is determined with GPS satellites. Twelve other activities from the four modules (Earth, Life, Space, Movement) highlight STEM applications in orbital space clutter, energy grids, precision agriculture, global supply chains, aviation, weather forecasting, and conservation. Join NESTA today!

Share-a-Thon Recording

GPS STEM Curriculum Video (right-click or control-click to download)


  • Peg Steffen, Curriculum Writer and Educator/Trainer with Illinois Mathematics and Science Academy