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3-D Visualization: Why? When? How? CAMT Conference Dallas, TXJuly 9-11, 2008 Jacqueline SackIrma Vazquez Rice University School Mathematics Project Houston, TX Wharton Elementary School Houston ISD, TX
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The Context Why? What? Where? Who? How? Support/Funding? Surprising extras
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Framework for 3-Dimensional Visualization 3-DIMENSIONAL MODEL CONVENTIONAL GRAPHIC REPRESENTATION OF THE 3-D MODEL VERBAL DESCRIPTION OF THE 3-D MODEL (oral or written) REBUILD IT TALK ABOUT IT REPRESENT IT ABSTRACTLY DRAW OR RECOGNIZE IT IN A PICTURE topfrontside SEMIOTIC OR ABSTRACT REPRESENTATION OF THE 3-D MODEL This slide is not to be reproduced in any form without the expressed permission of Jackie Sack. COMPUTER INTERFACE
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Sequence of Activities Pre-interview Single Soma figures: Verbal task cards Two-Soma assembly figures: Shaded and unshaded task cards Geocadabra interface: Integrates top-view coding and face views …
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Reflection Questions: The Big Picture What instructional strategies observed or shared in this presentation can be applied to any strand in a mathematics classroom? How is literacy development addressed in the classroom shown in this presentation?
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Verbal Description Put the first block down Place the second block in front of the first block Place the third block to the right of the first block Place the fourth block on top of the third block
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Semiotic or Abstract Representation of the 2-D Picture
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Verbal Description Listen for and list the descriptive terms this student uses in his explanations.
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Conventional Graphic Representation of the 3-D Model
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Semiotic or Abstract Representation of the 3-D Model
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Semiotic or Abstract Representation of the 3-D or 2-D Model
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Change to “2”
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The Cake Problem
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Summary to Date Verbal representation: Continue to emphasize verbal descriptions BY the child to assess accurate use of descriptive language Semiotic representation: What is more difficult, code reading or code creation? 2-D conventional figures: Reproduction of corresponding 3-D models and codes using 2-Soma assemblies
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Closing Questions: The Big Picture What instructional strategies observed or shared in this presentation can be applied to any strand in a mathematics classroom? How is literacy development addressed in the classroom shown in this presentation?
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For More Information: Jacqueline Sack: jsack@rice.edu Rice University School Mathematics Project, Houston, TX http://rusmp.rice.edu Irma Vazquez: irmavazquez@sbcglobal.net Wharton Elementary School, Houston ISD, TX Geocadabra [Computer software] www.geocadabra.nl/setupeng.exe
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