This Exploring Polygons and The Greedy Triangle lesson plan also includes:
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Excellent lesson! Anne Linehane's geometry story, The Greedy Triangle, offers an opportunity to practice forming various types of polygons with your learners. Using elastic bands (or Chinese jump ropes), partners form the various shapes the story's triangle turns into as he gains angles and sides. Another Linehane story leads learners to create their own polygon eight-page glossary. A comprehensive template for the glossary is available.