Quadrilaterals and Other Polygons - Reteach
In this quadrilaterals and polygons worksheet, students review the definition and some examples for polygons. Students then name each polygon and write all names that apply if the shape is a quadrilateral.
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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 instructional activity. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the...
5th - 8th Math CCSS: Designed