This folder contains resources for Curriki Geometry: Selling Geometry.

This folder contains resources on rigid motions and transformations.
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Euclid

by Sandy Gade
Known as the "father of geometry", this is an overview of Euclid's life and work. (1 minute, 30 seconds)
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This video discusses the history of geometry starting with Euclid, who is credited as one of the first mathematicians and father of geometry.
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Transformations

by Sandy Gade
In this activity from the Math Is Fun website, students can manipulate the transformations on the screen.
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Lesson -- Rotation

by Alyssa Murphy
This lesson will discuss how to perform rotational transformations
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These are links to Khan Academy resources.
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This video has many examples of real-world uses of geometry. (5 minutes)
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These are student-created works from ShowMe.com. Students may choose, or you may to choose for them.
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This is a high- level talk by Oxford mathematician Marcus du Sautoy. He discusses the invisible numbers that marry all symmetrical objects. (18 minutes)
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This lesson will discuss dilations and the concept of isometry and how it applies to transfomations.
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This link takes you to Passy’s World of Mathematics where you will find examples of isometric drawings and 3D cubes.
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ShowMe

by Sandy Gade
This is an iPad app.
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This lesson will apply two transformations to polygons. It will also introduce the idea of glide reflection.
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Tessellations.org

by Sandy Gade
This site allows students to create tessellations.
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This page defines tesselations and the rules of regular tesselations.
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