In this polygons instructional activity, 4th graders identify and name the 4 polygons drawn on the bottom of the instructional activity and then draw a triangle, hexagon and a quadrilateral.
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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
Properties of Polygons, Same-Length Sides
Can your third graders spot the differences between these geometric shapes? After studying several sections of triangles, rectangles, and other polygons, learners circle the shape described in each set of instructions. For extra...
3rd - 4th Math CCSS: Designed
Calculating and Measuring Perimeters of Polygons
If you're teaching 3rd or 4th grade math, this presentation is a must have. It defines perimeter and polygons, then describes the process by which perimeter is determined through pair share discussion and critical thinking questions....
3rd - 4th 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