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Three-Dimensional Figures Practice Session

Get ready to solve problems on identifying and drawing 3D figures. Understand concepts such as coplanar, solids, polyhedrons, and more. Complete Cornell Notes on related topics.

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Three-Dimensional Figures Practice Session

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  1. Materials Reminders

  2. Get out your agenda if you see your name below. You need to come to my room tomorrow.

  3. Musical Math Find the area of the isosceles (has 2 equal sides) triangle below. 13 ft 10 ft

  4. Cornell Notes Topic: 7-4 Three Dimensional Figures Essential Question(s): How do I identify and draw three dimensional figures?

  5. Questions: Notes: Cornell Notes What does coplanar mean? Coplanar– points or lines that lie in the same plane Example: Parallel – lines or planes that will never cross Example: What does parallel mean? What is a solid? Solid – 3-dimensional figures that enclose a space Example:

  6. Questions: Notes: Cornell Notes What is a polyhedron? Polyhedron – a solid made up of flat surfaces that are polygons Example: Polyhedrons have EDGES, FACES, VERTICES and DIAGONALS Example: How do I describe the parts of a polyhedron? What are skew lines? Skew Lines – Lines that don’t intersect and are not coplanar Example:

  7. Questions: Notes: Cornell Notes What is a prism? Prism – A polyhedron with 2 parallel and congruent bases Examples: What is a pyramid? Pyramid – A polyhedron with one base and triangular faces Examples:

  8. Concept Check SILENTLY think of the name for the following 3-dimensional figures (10 seconds). I will count to three, then SHOUT OUT YOUR ANSWER.

  9. Homework Pages 371-372; 9-16, 24-25, and 27-28 AND Cornell Notes Summary

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