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SOLID FIGURES
                               Chapter 21.1




                                              Standards: MG 2.0, MG 2.5




Tuesday, August 11, 2009
OBJECTIVE



                      To describe properties of solid ๏ฌgures and name the
                      faces that make up solid ๏ฌgures.




                                                             Standards: MG 2.0, MG 2.5




Tuesday, August 11, 2009
VOCABULARY
                      Face - A ๏ฌ‚at surface of a solid ๏ฌgure.




                                                               Standards: MG 2.0, MG 2.5




Tuesday, August 11, 2009
VOCABULARY
                   Vertex - a corner where three or more edges of a solid
                   ๏ฌgure meet.




                                                            Standards: MG 2.0, MG 2.5




Tuesday, August 11, 2009
VOCABULARY
                      Edge - the line segment formed where two faces of a
                      solid ๏ฌgure meet.




                                                             Standards: MG 2.0, MG 2.5




Tuesday, August 11, 2009
SOLID FIGURES
                                  Name    Faces      Edges

                                  Cube      6         12




                                         6 squares



Tuesday, August 11, 2009
SOLID FIGURES
                                  Name         Faces     Edges
                                 Rectangular
                                   Prism         6         12




                                      2 squares, 4 rectangles



Tuesday, August 11, 2009
SOLID FIGURES
                                  Name       Faces       Edges
                                   Square
                                  Pyramid       5             8




                                       1square, 4 triangles



Tuesday, August 11, 2009
SOLID FIGURES
                                  Name        Faces       Edges

                                  Cylinder       2              2




                                       2 circles, 1 rectangle



Tuesday, August 11, 2009
SOLID FIGURES
                                  Name      Faces       Edges

                                  Cone         1              1




                                     1 circles, 1 rectangle



Tuesday, August 11, 2009
SOLID FIGURES
                                  Name     Faces   Edges

                                  Sphere     0       0




Tuesday, August 11, 2009
SOLID FIGURES
                      Activity
                           Materials: Solid Figures, Large Paper, Crayons
                           Steps: Traces the faces of several solid ๏ฌgures.
                           Then name up the faces that make up each solid
                           ๏ฌgure.

                                                             Names and # of
                              Name             Faces            Faces




Tuesday, August 11, 2009
SOLID FIGURE
                      Practice:
                                  Which ๏ฌgure goes with the faces.
                 1.




                  2.



Tuesday, August 11, 2009
SOLID FIGURE
                      Practice: Identify the solid ๏ฌgures below.
                1.                      2.                    3.




                           4.




Tuesday, August 11, 2009
SOLID FIGURES



                      Try it on your own. PW




Tuesday, August 11, 2009
COMBINE SOLID
                             FIGURES
                                21.2




Tuesday, August 11, 2009
OBJECTIVE



                      To identify solid ๏ฌgures within complex solid objects.




                                                               Standard MG 2.5, MG 2.6




Tuesday, August 11, 2009
COMBINE SOLID FIGURES

                      When you know how to identify solid ๏ฌgures, youโ€™ll
                      notice them in objects around you.


                      How is a cube different from a square?
                      If you were building a model of a rocket from solid
                      ๏ฌgures, what two ๏ฌgures might you use?



Tuesday, August 11, 2009
LINE SEGMENTS AND
                                 ANGLES
                                  21.3




Tuesday, August 11, 2009
OBJECTIVE
                   To identify lines, line segments and rays and to classify
                      angles as greater than or less than a right angle.

Tuesday, August 11, 2009
VOCABULARY


                      Line - a straight path
                      extending in both
                      directions with no
                      endpoints.




Tuesday, August 11, 2009
VOCABULARY



                      point - an exact position or location.




Tuesday, August 11, 2009
VOCABULARY


                              Line Segment - part
                              of a line between two
                              end points.




Tuesday, August 11, 2009
VOCABULARY


                  Ray - a part of a line that
                  begins at one endpoints and
                  continues in one direction.




Tuesday, August 11, 2009
VOCABULARY
              Angle - a ๏ฌgure formed by two rays with the same endpoint.




Tuesday, August 11, 2009
VOCABULARY
                      Right Angle - a special angle that forms a square corner.




Tuesday, August 11, 2009
LINE SEGMENTS

                                    1. What ๏ฌgure is drawn?
                                   2. How many sides does the
                                         ๏ฌgure have?
                                  3. Home many line segments?

                                   How are the lines and line
                                       segments alike?
                                    How are they different?



Tuesday, August 11, 2009
ANGLES
                           Some angles are less than a right angle.




Tuesday, August 11, 2009
ANGLES
                           Some angles are greater than a right angle.




Tuesday, August 11, 2009
TRY IT OUT.




Tuesday, August 11, 2009

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Solid Figures

  • 1. SOLID FIGURES Chapter 21.1 Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
  • 2. OBJECTIVE To describe properties of solid ๏ฌgures and name the faces that make up solid ๏ฌgures. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
  • 3. VOCABULARY Face - A ๏ฌ‚at surface of a solid ๏ฌgure. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
  • 4. VOCABULARY Vertex - a corner where three or more edges of a solid ๏ฌgure meet. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
  • 5. VOCABULARY Edge - the line segment formed where two faces of a solid ๏ฌgure meet. Standards: MG 2.0, MG 2.5 Tuesday, August 11, 2009
  • 6. SOLID FIGURES Name Faces Edges Cube 6 12 6 squares Tuesday, August 11, 2009
  • 7. SOLID FIGURES Name Faces Edges Rectangular Prism 6 12 2 squares, 4 rectangles Tuesday, August 11, 2009
  • 8. SOLID FIGURES Name Faces Edges Square Pyramid 5 8 1square, 4 triangles Tuesday, August 11, 2009
  • 9. SOLID FIGURES Name Faces Edges Cylinder 2 2 2 circles, 1 rectangle Tuesday, August 11, 2009
  • 10. SOLID FIGURES Name Faces Edges Cone 1 1 1 circles, 1 rectangle Tuesday, August 11, 2009
  • 11. SOLID FIGURES Name Faces Edges Sphere 0 0 Tuesday, August 11, 2009
  • 12. SOLID FIGURES Activity Materials: Solid Figures, Large Paper, Crayons Steps: Traces the faces of several solid ๏ฌgures. Then name up the faces that make up each solid ๏ฌgure. Names and # of Name Faces Faces Tuesday, August 11, 2009
  • 13. SOLID FIGURE Practice: Which ๏ฌgure goes with the faces. 1. 2. Tuesday, August 11, 2009
  • 14. SOLID FIGURE Practice: Identify the solid ๏ฌgures below. 1. 2. 3. 4. Tuesday, August 11, 2009
  • 15. SOLID FIGURES Try it on your own. PW Tuesday, August 11, 2009
  • 16. COMBINE SOLID FIGURES 21.2 Tuesday, August 11, 2009
  • 17. OBJECTIVE To identify solid ๏ฌgures within complex solid objects. Standard MG 2.5, MG 2.6 Tuesday, August 11, 2009
  • 18. COMBINE SOLID FIGURES When you know how to identify solid ๏ฌgures, youโ€™ll notice them in objects around you. How is a cube different from a square? If you were building a model of a rocket from solid ๏ฌgures, what two ๏ฌgures might you use? Tuesday, August 11, 2009
  • 19. LINE SEGMENTS AND ANGLES 21.3 Tuesday, August 11, 2009
  • 20. OBJECTIVE To identify lines, line segments and rays and to classify angles as greater than or less than a right angle. Tuesday, August 11, 2009
  • 21. VOCABULARY Line - a straight path extending in both directions with no endpoints. Tuesday, August 11, 2009
  • 22. VOCABULARY point - an exact position or location. Tuesday, August 11, 2009
  • 23. VOCABULARY Line Segment - part of a line between two end points. Tuesday, August 11, 2009
  • 24. VOCABULARY Ray - a part of a line that begins at one endpoints and continues in one direction. Tuesday, August 11, 2009
  • 25. VOCABULARY Angle - a ๏ฌgure formed by two rays with the same endpoint. Tuesday, August 11, 2009
  • 26. VOCABULARY Right Angle - a special angle that forms a square corner. Tuesday, August 11, 2009
  • 27. LINE SEGMENTS 1. What ๏ฌgure is drawn? 2. How many sides does the ๏ฌgure have? 3. Home many line segments? How are the lines and line segments alike? How are they different? Tuesday, August 11, 2009
  • 28. ANGLES Some angles are less than a right angle. Tuesday, August 11, 2009
  • 29. ANGLES Some angles are greater than a right angle. Tuesday, August 11, 2009
  • 30. TRY IT OUT. Tuesday, August 11, 2009