Shape Shifting

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Shape Shifting

• Heath E. Capello
• NSF NMGK-8
• University of Mississippi
• August 2006

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Lets talk about shapes

• Identification
• Plane (two dimensional)
• Solid (three dimensional)
• Parts
• Points
• Lines
• Corners
• Transformations
• Flips
• Slides
• Turns
• Congruence

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Identification

• What does two dimensional (2-D) mean?
• What does three dimensional (3-D) mean?

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Identification

• Who can name all of these shapes?
• Are they 2-D or 3-D?

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Identification

• Who can name all of these shapes?
• Are they 2-D or 3-D?

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Identification

• What 2-D shapes make up these 3-D shapes?

Circle
Squares
Rectangle
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Lets talk about shapes

• Identification
• Plane (two dimensional)
• Solid (three dimensional)
• Parts
• Points
• Lines
• Corners
• Transformations
• Flips
• Slides
• Turns
• Congruence

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Parts
How many points are there?
There are 4 points in this square.
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Parts
How many lines are there?
There are 4 lines in this square.
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Parts
How many corners are there?
There are 4 corners in this square.
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Parts
Points?
Lines?
Corners?
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8
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Lets talk about shapes

• Identification
• Plane (two dimensional)
• Solid (three dimensional)
• Parts
• Points
• Lines
• Corners
• Transformations
• Flips
• Slides
• Turns
• Congruence

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Transformations

• Flips

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Transformations

• Slides

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Transformations

• Turns

Clockwise
Counterclockwise
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Transformations

• Congruence when two shapes would fit exactly on
  top of each other after a flip, slide, and/or
  turn.

Are these two shapes congruent?
Step 1 Turn clockwise
Step 2 Slide
Answer Yes!
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Transformations

• Which shapes are congruent?

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What questions do you have?
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Sources

• Wikipedia contributors. 2006. Decagon. Accessed 6
  August 2006. lthttp//en.wikipedia.org/wiki/Decagon
  gt.