This inquiry lesson plan explores the definitions of quadrilaterals and the properties of the diagonals of quadrilaterals to classify quadrilaterals. Students will work cooperatively to justify conclusions. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project. [Requires Adobe Reader.]

Concepts

polygons, quadrilaterals

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Additional Tags

geometry, plane figures, alex, alabama learning exchange, diagonals and quadrilaterals

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)