Students work together to create mobiles with different polygons. They research the polygon and list its characteristics. They may present to the class if they chose to.
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Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
3rd - 6th Math CCSS: Adaptable
Interior Angles, Exterior Angles, and Diagonals of Polygons
How does the number of sides of a polygon affect the angle measures? Learners recognize a pattern in finding the total measure of interior and exterior angles and the number of diagonals. They use the patterns to calculate the number of...
8th - 11th Math CCSS: Adaptable
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
Draw Polygons Using Given Coordinates as Vertices
At the end of the activity your learners will be able to classify a polygon by the number of ordered pairs given in a coordinate plane used as the vertices. this is the first video in a progressive series of four using geometry to solve...
4 mins 5th - 7th Math CCSS: Designed