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Lesson Plan

Constructing congruent segments, congruent angles and parallel lines using a compass and a straightedge

teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Content.HSG-CO.D.12 http://corestandards.org/Math/Content/HSG/CO/D/12
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP5 http://corestandards.org/Math/Practice/MP5
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Big Ideas: Students will be able to make basic constructions such as angle copies, segment copies, and parallel lines. Students will be able to explain why compass arcs are important for each construction Students should have an understanding of the basic geometric objects including points, lines, segments, angles and rays before this lesson. Students will learn how to make some basic geometric constructions while developing an understanding of how arcs are an important factor when making constructions. Vocabulary: segment, angle, congruent, arc, compass, straightedge, parallel lines Special Materials: Compass Straightedge GeoGebra software (optional)
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