Instructional Video

Khan Academy: Quadrilateral Overview

Curated by ACT

This video tutorial [8:24] defines what a quadrilateral is and identifies and defines concave quadrilaterals, convex quadrilaterals, trapezoids, parallelgrams, rectangles, rhombi, and squares.

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CCSS: Adaptable
Concepts
rhombus, quadrilaterals
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Additional Tags
concave quadrilateral, convex quadrilateral, khan academy, khan academy math, parallelogram, quadrilateral, rectangle, square, trapezoid
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
Common Core
HSG-CO.A.3