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lesson 3
1 hour

Perpendicular Lines


Description

Objective:  Identify, define, and draw perpendicular lines.

Next, students use their understanding of angles to explore relationships between pairs of lines, defining and recognizing intersecting, perpendicular, and parallel lines. In Lesson 3, students’ knowledge of right angles leads them to identify, define, and construct perpendicular lines.

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From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 4, Topic A, Lesson 3. Available from engageny.org/resource/grade-4-mathematics-module-4-topic-lesson-3; accessed 2015-05-29.
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