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Lesson Plan

Illustrative Mathematics: 8.g Congruence of Alternate Interior Angles

Curated by ACT

Eighth graders are presented with a labeled drawing of two parallel lines intersected by a transversal line. They are asked to discuss congruency of angles when the picture is rotated about a point on the transversal. Aligns with 8.G.A.5.

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CCSS: Adaptable
Concepts
alternate interior angles, congruence, congruent angles, parallel lines, transversal
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Additional Tags
rigid motions, 8.g.a.5, cc by-nc-sa 4.0, congruence of alternate interior angles via rotations, creative commons attribution-noncommercial-sharealike 4.0, illustrative mathematics
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
8.G.A.5 8.G.A.2 8.G.A.4