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lesson 1
1 hour

Scale Drawings


Description

Lesson 1 reviews the properties of a scale drawing before studying the relationship between dilations and scale drawings in Lessons 2 and 3. Students focus on scaling triangles using construction tools and skills learned in Module 1.

The lesson begins by exploring how to scale images using common electronics. After students work on scaling triangles given various pieces of initial information, the lesson is tied together by showing how triangle scaling can be used in programming a phone to scale a complex image.

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Credits

From EngageNY.org of the New York State Education Department. Geometry Module 2, Topic A, Lesson 1. Available from engageny.org/resource/geometry-module-2-topic-a-lesson-1; accessed 2015-05-29.
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