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Understanding 3D Shapes: Types, Properties, and Definitions

This introduction covers the basics of 3D shapes, defining them as non-flat figures with volume. Learn about identifying shapes by their properties, such as faces and vertices, to explore common types like triangular prisms, square-based pyramids, cones, cylinders, cuboids, and cubes. Delve into the concepts of prisms and pyramids, highlighting their defining characteristics. Important vocabulary is explained, clarifying terms like vertex and edge, while emphasizing that 'side' is not applicable to 3D shapes. Enhance your understanding of geometry through these foundational concepts.

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Understanding 3D Shapes: Types, Properties, and Definitions

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Presentation Transcript

  1. Introduction to 3D shapes What is a 3D shape? Any shape that is not flat and has volume How do you know the name of the shape? By looking at the properties of the shape E.g. a cuboid has 6 faces and 8 vertices E.g. a triangular prism has 3 rectangular faces and 2 triangular faces

  2. 3D shapes Do you know the names of these 3D shapes? Triangular prism Square-based pyramid Cone Cylinder Cuboid Cube

  3. What is a prism? A 3D shape with two flat shapes connected by rectangular faces Whatever the flat shapes at the end are determines the type of prism Triangular prism

  4. What is a pyramid A 3D shape with a flat shape as a base and triangular faces sloping up to a point What ever the flat shape at the base is, determines the type of pyramid Square-based pyramid

  5. Important vocabulary Vertice Edge Don't forget that 'SIDE' is not a word for 3D shapes! Face

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