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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