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GeoGebraGeoGebra Classroom

Understanding Polygons

On this page students will be presented with a slider Labeled N which stands for Number of sides for the polygon below. The students can slide the point horizontally left to right and vice versa, to change the polygon. The shapes that can be made will be a triangle, square, pentagon, hexagon, heptagon, and octagon. There are more polygons, but these six I feel are the most important. With each polygon there are given points for example the triangle has (A,B,C), you can select either point A, or point B on any of the shapes to change the orientation and size. This worksheet would go under the following standard. 2.G.1 Reason with shapes and their attributes. 1. Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.5 Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.
Students need to follow and answer the following steps. 1. If you change the size of the particular polygon, does it change its shape? Yes, or no, and why? 2. If you change the positioning of the particular polygon, does it stay the same or does it become a different polygon. Yes, or no, and why? 3.How to we determine the difference between each polygon? 4. Be able to name each of the different polygons.