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What is a 3 D shape?  A 3 D shape has a length, width and height. A shape that has thickness.

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Presentation on theme: "What is a 3 D shape?  A 3 D shape has a length, width and height. A shape that has thickness."— Presentation transcript:

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2 What is a 3 D shape?  A 3 D shape has a length, width and height. A shape that has thickness.

3  Prism - a 3-d shape with 2 faces that are congruent and parallel polygons. All other faces are rectangles. The name of the prism is based on the polygon faces.  Pyramid - a 3-d shape with one face that is a polygon which is called the base. All other faces are triangles that meet at a vertex (point) Prism Pyramid Base 2 faces congruent and parallel

4 3-Dimensional Vocabulary  Face – a side of a 3-dimensional figure  Edge – where 2 faces meet  Vertex – where 2 edges meet

5  Find the cube  How many faces does it have?  How many edges?  How many vertices?  What are examples of cubes in our real world?

6  Find a rectangular prism.  How many faces does it have?  How many edges?  How many vertices?  What are examples of rectangular prisms in our real world?

7 Can a cube also be a rectangular prism? Remember squares are also rectangles.

8  Find the triangular prism.  How many faces does it have?  How many edges?  How many vertices?  What are examples of triangular prisms in our real world?

9  Find the square pyramid.  How many faces does it have?  How many edges?  How many vertices?  What are examples of square pyramids in our real world?  Draw a square pyramid on your paper.

10  Find the cylinder  How many faces does it have?  How many edges?  How many vertices?  What are examples of cylinders in our real world?

11 Visit the following website and draw the following 3 D nets.  http://www.learner.org/interactives/geometry/3d_prisms.h tml http://www.learner.org/interactives/geometry/3d_prisms.h tml http://www.learner.org/interactives/geometry/3d_prisms.h tml  Draw the net of a Triangular Prism  Rectangle Prism (cube) http://www.learner.org/interactives/geometry/3d_pyramids.h tml http://www.learner.org/interactives/geometry/3d_pyramids.h tml Draw a Rectangle (Square Pyramid)

12 Extension Activity  Click on the link below and check out other 3 dimensional shapes.  Read the directions and investigate: faces, edges and vertices  http://nlvm.usu.edu/en/nav/frames_ asid_128_g_3_t_3.html?open=instru ctions http://nlvm.usu.edu/en/nav/frames_ asid_128_g_3_t_3.html?open=instru ctions http://nlvm.usu.edu/en/nav/frames_ asid_128_g_3_t_3.html?open=instru ctions


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