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Lesson Plan

Illustrative Mathematics: 8.g Cutting a Rectangle Into Two Congruent Triangles

Curated by ACT

This task shows the congruence of two triangles formed by cutting a rectangle in half along the diagonal. Students are asked to investigate elements of congruence and transformations among the shapes. Aligns with 8.G.A.2.

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CCSS: Adaptable
Concepts
congruence, transformations, congruent triangles
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Additional Tags
8.g.a.2, cc by-nc-sa 4.0, creative commons attribution-noncommercial-sharealike 4.0, cutting a rectangle into two congruent triangles, illustrative mathematics
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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
8.G.A.2 8.G.A.4