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Lesson Plan

Illustrative Mathematics: Overlapping Rectangles

Curated by ACT

The purpose of this task is to give students an opportunity to compose and decompose polygons to make rectangles. The students will be shown a picture and are asked to count how many rectangles they see. Explanations and examples are provided.

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CCSS: Adaptable
Concepts
polygons, rectangles
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Additional Tags
1.g.a.2, cc by-nc-sa 4.0, composing shapes, creative commons, creative commons attribution-noncommercial-sharealike 4.0, decomposing shapes, illustrative mathematics, illustrative mathematics: overlapping rectangles, compose and decompose shapes
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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