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Lesson Plan

Illustrative Mathematics: 8.g Tile Patterns I: Octagons and Squares

Curated by ACT

Eighth graders are presented with a tile pattern showing an apparent square surrounded by four octagons. They are asked to answer a question about congruency and angle measurements, as well as prove that the interior shape is really a square. Aligns with 8.G.A.5.

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CCSS: Designed
Concepts
tiling
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Additional Tags
8.g.a.5, cc by-nc-sa 4.0, creative commons attribution-noncommercial-sharealike 4.0, illustrative mathematics, tile patterns i: octagons and squares, geometric pattern, tiles
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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
MP2 MP3