This folder contains resources for Curriki Geometry: Selling Geometry.

## Collection Contents

### Rigid Motions and Transformations

This folder contains resources on rigid motions and transformations.
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### Euclid

Known as the "father of geometry", this is an overview of Euclid's life and work. (1 minute, 30 seconds)
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### What's the point of Geometry? - Euclid

by Janet Pinto

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

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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### Where are angles in the real world?

This video has many examples of real-world uses of geometry. (5 minutes)
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### ShowMe.com videos on reflections

These are student-created works from ShowMe.com. Students may choose, or you may to choose for them.
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### The World Runs on Symmetry

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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### Lesson -- Dilations and Isometry

by Alyssa Murphy

This lesson will discuss dilations and the concept of isometry and how it applies to transfomations.
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### Examples of Isometries

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

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### Lesson -- Composition of Transformations

by Alyssa Murphy

This lesson will apply two transformations to polygons. It will also introduce the idea of glide reflection.
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### Tessellations.org

This site allows students to create tessellations.
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