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Three-Dimensional Figures. 3-D Figures. Cone Cylinder Prism Pyramid Sphere. How are 3-D figures created?. Space Figures. Move a rectangle through space – It creates a rectangular prism!. Space Figures. Move a triangle through space – It makes a triangular prism!. Space Figures.
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3-D Figures • Cone • Cylinder • Prism • Pyramid • Sphere
Space Figures • Move a rectangle through space – It creates a rectangular prism!
Space Figures • Move a triangle through space – It makes a triangular prism!
Space Figures • Move a circle through space – It makes a cylinder!
Space Figures • Twirl (rotate) a triangle around one of its sides – It makes a cone!
Space Figures • Twirl (rotate) a circle around its diameter – It makes a sphere!
Ticket-out-the-door • What 3D figure is created when you…. • Translate a rectangle • Translate a circle • Rotate a rectangle • Translate a triangle • Rotate a triangle • Rotate a circle • Translate a square
Cross-Sections EQ: How can I describe the cross-sections of solid figures?
Vocabulary • Cross-section – a view of the inside of a 3D figure after it is sliced • Polyhedron – a 3D figure (a solid with flat faces) http://www.learner.org/channel/courses/learningmath/geometry/session9/part_c/index.html