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Parallel Lines & Transversals


Lesson Prep

Lesson Details

  • Duration: 50 minutes

  • Learning Goal: Allow students to explore, reasoning, and build connections with angles formed by parallel lines cut by transversals.

Prework

  • Make sure you have Chromebooks or some other class set of technology

  • Watch the following videos to learn more about our retake policy and how we go over quizzes

Classwork

Standards

Common Core

  • 8.G.A.5 – Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

TEKS

  • G.5(A) – investigate patterns to make conjectures about geometric relationships, including angles formed by parallel lines cut by a transversal, criteria required for triangle congruence, special segments of triangles, diagonals of quadrilaterals, interior and exterior angles of polygons, and special segments and angles of circles choosing from a variety of tools

  • G.6(A) – verify theorems about angles formed by the intersection of lines and line segments, including vertical angles, and angles formed by parallel lines cut by a transversal and prove equidistance between the endpoints of a segment and points on its perpendicular bisector and apply these relationships to solve problems

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