Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.

11 Lesson(s)

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Environment: Urban

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Regular vs. Irregular Polygons

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Environment: Urban

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Math Foldables - Geometry Assessment

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Memphis, TN
Environment: Urban

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Classification of Triangles

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Environment: Urban

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Polygons

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Memphis, TN
Environment: Urban

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Triangles

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Memphis, TN
Environment: Urban

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Triangles can be identified as acute, right, or obtuse.

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4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Memphis, TN
Environment: Urban

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Quadrilaterals are four-sided polygons that have distinctive attributes.

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4th Grade Math » Unit: Geometry
Genoa City, WI
Environment: Rural

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Rotational Symmetry

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Memphis, TN
Environment: Urban

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Tangrams with Grandfather Tang

5th Grade Math » Unit: Geometry
5th Grade Math » Unit: Geometry
Scottsdale, AZ
Environment: Urban

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What is a Polygon?

4th Grade Math » Unit: Area & Perimeter
4th Grade Math » Unit: Area & Perimeter
Environment: Urban

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Common Core Math