Cross sections

Mark Ophaug, Jan 19, 2016

Table of Contents

  1. 7th Grade materials
    1. Cube Cross Sections
    2. Sections of Rectangular Prisms (Cuboids)
    3. Sections of Triangular Pyramids
    4. Sections of Rectangular Pyramids
    5. Cross Section of a Cylinder
    6. Cross Section of a Cone
    7. section of cone
    8. Cross Section of a Sphere
    9. section of sphere
    10. cutting a sphere
  2. Demo_Chapter
    1. 3X3 System Possibilities
    2. Volume of Prisms Exploration

1.

7th Grade materials

  • 1. Cube Cross Sections
  • 2. Sections of Rectangular Prisms (Cuboids)
  • 3. Sections of Triangular Pyramids
  • 4. Sections of Rectangular Pyramids
  • 5. Cross Section of a Cylinder
  • 6. Cross Section of a Cone
  • 7. section of cone
  • 8. Cross Section of a Sphere
  • 9. section of sphere
  • 10. cutting a sphere

1.1.

Cube Cross Sections

Move the points I, K, and J around on the edges of the cube.
1) What are the different cross section shapes that you can make?[br]2) What is the cross section with the least number of sides?[br]3) What is the cross section with the most number of sides?[br]4) Can you make any regular polygonal cross sections? How would you position the points for each?
– Edward Knote

1.2.

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1.3.

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1.4.

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1.5.

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1.6.

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1.7.

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1.8.

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1.9.

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1.10.

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2.

Demo_Chapter

  • 1. 3X3 System Possibilities
  • 2. Volume of Prisms Exploration

2.1.

3X3 System Possibilities

– Duke

2.2.

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Information