Which shapes are not polygons

These are not polygons for various reasons. Some of them have sides that aren't closed , some have curved sides , and one has overlapping sides. How do you describe shapes that aren't polygons, what are some examples??? Apr 26, See below:.

Explanation: Polygons are shapes with 3 or more straight sides , are closed , and do not have overlapping sides. More like this. Drawing 2D shapes. What are the names of 2D and 3D shapes? Count the sides of 2D shapes. Mystery 3D shape net. Properties of 3D shapes. What are regular and irregular shapes? Regular and irregular polygons.

Children are taught to name common 2D shapes including polygons such as squares, rectangles, triangles, pentagons, hexagons and octagons. Children will be taught to identify properties of shapes such as the number of sides and vertices corners.

Children will extend their knowledge of polygons to include different types of triangles and quadrilaterals. Children are taught to compare lengths and angles of polygons to decide if they are regular or irregular.

They do not have holes. Polygons do not have to be typical shapes like squares or triangles. Find the polygon…. A polygon is one shape. Polygons have straight sides that do not cross. A polygon is a single, 2- dimensional shape. No curves. They have three or more sides. Their sides meet at corners vertices. No intersections or crossing. They are closed shapes. No holes, breaks, or shapes within shapes.

The Characteristics of Polygons. Go back to the beginning and play again? You have successfully completed this learning activity about the characteristics of polygons. Look around you…do you see any polygons? Examples of irregular shapes and regular shapes. Download Free Now! Ellie Williams Third Space Learning. With a love for all things KS2 maths, Ellie is a part of the content team that helps all of the Third Space Learning blogs and resources reach teachers!

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