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Lesson Plan

Illustrative Mathematics: 8.g Two Triangles' Area

Curated by ACT

For this task, 8th graders are given the dimensions of two isosceles triangles and are asked to compare their areas. They must draw them and use the Pythagorean Theorem and the triangle area formula to solve the problem. Aligns with 8.G.B.7.

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CCSS: Adaptable
Concepts
pythagorean theorem
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Additional Tags
triangle area formula, 8.g.b.7, cc by-nc-sa 4.0, creative commons attribution-noncommercial-sharealike 4.0, illustrative mathematics, two triangles' area, perimeter and area of triangles
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
8.G.B.7 8.G.B.8