Quadrilaterals and Other Polygons: Reteach
In this polygons worksheet, students review the definitions for polygons and quadrilaterals and how they are classified. Students then classify each polygon in as many was as they can.
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The Area of All Polygons Through Composition and Decomposition
To compose or decompose, that is the question. The fifth portion of a 22-part series presents area problems of polygons. Pupils determine how to compose or decompose the polygons into shapes whose area is easily calculated.
6th Math CCSS: Designed
New Review Classifying Polygons: Lesson
For your eyes only: classify the names of polygons. After providing the definition of a polygon, the video introduces the two major classifications of polygons, concave and convex. The segment of a larger playlist on geometry continues...
4 mins 4th - 8th Math CCSS: Adaptable
Polygons-Changing Area Versus Changing Perimeter
Investigate the area and perimeter of polygons in this geometry lesson. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the changing shape of...
5th - 8th Math CCSS: Designed