Using Digitial Images with Geometer's Sketchpad

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					Using Digitial Images with
 Geometer’s Sketchpad




            Samantha Wuttig
Fairbanks North Star Borough School District
       swuttig@northstar.k12.ak.us
          Session Goals
• Become familiar with Geometer’s
  Sketchpad and how it is dynamic

• Learn how to import digital images into
  Geometer’s Sketchpad
    Downloading Demo of
    Geometer’s Sketchpad
• http://ittwiki.northstar.k12.ak.us/
• Go to ITT Staff
• Go to Samantha Wuttig
  What is your experience
with Geometer’s Sketchpad?
a) None
b) Used it a little
c) Use it all the time
     I am here because…
a) I want to learn more about
   Geometer’s Sketchpad.
b) I want to learn how to import digital
   images into Geometer’s Sketchpad.
c) Both a and b
    Geometer’s Sketchpad


• Dynamic software
• Visual way to explore abstract
  concepts
• Different way to do proofs in geometry
Tools of Geometer’s
     Sketchpad
          •   Selection Arrow
          •   Point Tool
          •   Compass Tool
          •   Straightedge Tool
          •   Text Tool
          •   Script Tool
Menu Bar
    • Display menu allows
      you to change how
      items appear on
      your sketch
Menu Bar
    • Construct menu
      allows you to do
      traditional
      constructions with
      technology
Menu Bar
    • Using the transform
      menu, you can
      create tessellations,
      fractals, or vectors
Menu Bar
    • Measure menu
      allows you to
      measure different
      aspects of objects.
Menu Bar
    • Graph menu allows
      you to explore more
      of the algebraic side
      of Geometer’s
      Sketchpad.
Menu Bar
    • Help menu links
      with examples from
      the Key Curriculum
      Geometer’s
      Sketchpad website
What is Dynamic Software
• Construct a square
• Properties of a square
• Test your square - Will your square
  always be a square if you drag any
  vertex?
Digital Images
         • Digital images from
           the web
         • Digital images
           students have taken
         • Snapshots from
           other applications
     Importing an Image
• Open a New Sketch in Sketchpad
• Find an image which you would like to
  use
• Copy the image
• Paste the image into Sketchpad
        Practice with Lines
•   Go to Lines folder
•   Select a picture
•   Copy and paste picture into Sketchpad
•   Explore different ways to look at the
    picture
Lines
Other Lines
Other Ideas: Area
Other Ideas: Curves
Other Ideas:
Circumference
Other Ideas: Google
       Earth
        Other Resources
• Geometer’s Sketchpad Resource
  Center
  http://www.dynamicgeometry.com/
• Online professional development for
  teachers from Key Curriculum
  – Teaching Algebra with Geometer’s
    Sketchpad
  – Teaching Geometry with Geometer’s
    Sketchpad
            Thank you
• Please complete the evaluation

				
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posted:9/25/2011
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