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Adaptive Tools and Technology for Teaching Visually Impaired Students Algebra and Geometry AER LOOM : Weaving a Tapestry of Services 2002 AER International Conference Toronto, Ontario, Canada July 17-21, 2002 Association for Education and Rehabilitation of the Blind and Visually Impaired

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Adaptive Tools and Technology for Teaching Visually Impaired Students Algebra and Geometry

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Adaptive tools and technology for teaching visually impaired students algebra and geometry l.jpg

Adaptive Tools and Technology for Teaching Visually Impaired Students Algebra and Geometry

AERLOOM: Weaving a Tapestry of Services

2002 AER International Conference

Toronto, Ontario, Canada

July 17-21, 2002

Association for Education and Rehabilitation of the Blind and Visually Impaired


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Susan A. Osterhaus

Texas School for the Blind and Visually Impaired

1100 West 45th Street

Austin, TX 78756

(512) 206-9305

susanosterhaus@tsbvi.edu

http://www.tsbvi.edu/math


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Suggested Adaptive Tools and Materials

  • Math Materials

  • Basic Tools or Technology

  • Calculators

  • Drawing/Construction Tools

  • Measuring Tools

  • Student-Generated Graphics

  • Graphics Made by Others

  • Strategies and Resources


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Math MaterialsBraille Reader

  • High Quality Braille Textbook

    • Nemeth Codey .k x^2"+3x+4

    • Tactile Graphics

  • Teacher-Made Materials

    • Worksheets

    • Quizzes

    • Tests


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Nemeth Translation Packageshttp://www.tsbvi.edu/math/nemeth-trans.htm

  • Duxbury:  DBT WIN 10.3 or MegaMathhttp://www.duxburysystems.com

  • MacKichan: Scientific Notebookhttp://www.mackichan.com

  • MAVIS Nemeth Filterhttp://www.nmsu.edu/~mavis (now closed)


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Math MaterialsLarge Print Reader

  • Large Print Textbook

  • Enlarged Materials

  • Regular Print with Magnification

  • Be Alert for Color-Keyed Graphics


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Basic Math Tools Braille Reader

  • Braillewriter

  • Braille Paper

  • Braille Eraser

  • Abacus


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Basic Math TechnologyBraille Reader

  • Refreshable Braille

    • Braille Notetaker

    • PC with Refreshable Braille Keyboard

  • Laptop


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Basic Math Tools Large Print Reader

  • Black Line Paper

  • Proper Writing Implement

  • Reading Stand


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Basic TechnologyLarge Print Reader

  • Desktop Computer

  • Laptop

  • Low-Vision Software


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Calculators for All

  • Talking Scientific Calculator

    • ORION TI-34

      http://www.orbitresearch.com

  • Talking Graphing Calculator

    • Accessible Graphing Calculator (AGC)

      Large Display, Self-Voiced, Print and

      Tactile Graphics, AudioWave

      http://www.ViewPlusTech.com


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Braille Scientific Calculators

Braille Lite

  • Talking Scientific Calculator with refreshable braille

  • Graph-It (tactile graphics and audiowave) http://www.freedomscientific.com/

    BrailleNote (BT or QT)

  • Talking Scientific Calculator with refreshable braille

    http://www.humanware.com/

    Leo Braille Display Scientific Calculator

    http://www.sensorytools.com


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Large Display/Graphing Calculator Solutions

  • TI Graphing Calculator

    Screen Enlargement Solution http://www.education.ti.com

  • VisAble http://www.betacom.com

  • Scientific Notebook http://www.mackichan.com

  • TI-83 Trainer http://www.goldedtech.com


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Drawing/Construction Toolshttp://www.tsbvi.edu/math/mathtools.htm

  • Drawing Board

  • Compass

  • Straightedge

  • Tracing Wheel

  • Braille/Print Protractor

  • Stylus and/or Pen


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Measuring Toolshttp://www.tsbvi.edu/math/mathtools.htm

  • Ruler

  • Yardstick and Meter Stick

  • Braille/Print Protractor


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Student-Generated Quick/Instant Tactile Graphics

  • APH Quick-Draw Paper

  • APH Picture Maker: Wheatly Tactile Diagramming Kit

  • Thermo Pen I & II http://www.repro-tronics.com

  • WikkiStixhttp://www.wikkistix.com


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Student-Generated Graphics on a Number Line

  • APH Number Line Device

  • Student-Made Number Lines

    = [[77r77r77r77r77r33r33r33o

    -1 0 1 2 3 4 5


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Student-Generated Graphics on a Coordinate Plane

  • Graph Paper

  • Graphic Aid for Mathematics


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Algebraic Manipulatives

  • HANDS-ON EQUATIONS

    Learning Systems

    http://www.borenson.com


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Geometric Manipulatives

  • 2-D Manipulatives

  • Paper Folding

  • 3-D Manipulatives

  • Nets


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Preparing Tactile Math Graphicshttp://www.tsbvi.edu/math/tactile.htm

  • Checklist To Determine If a Graphic Should Be Brailled

  • Checklist For Making Decisions About A Tactile Graphic

  • Basic Principles For Preparing Tactile Graphics

  • Explanation-Demonstration of How Foil Graphics are Prepared


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Math Graphics Made by Others

  • APH Tactile Graphics Kit

  • Collage

  • APH Geometry Tactile Graphics Kit

  • Tactile Imaging Machine and Capsule Paper

    • Tactile Image Enhancer http://www.repro-tronics.com

    • Swell-Form Graphics Machine http://www.atcbrleqp.com

    • Pictures in a Flash (PIAF) http://www.humanware.com


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Math Graphics Made to Order by Others

  • APH http://www.aph.org/

  • ghBraille http://www.ghbraille.com/

    • LaserLine™ Graphics

  • Tactile Vision Inc.http://www.tactilevisioninc.com/


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Tiger Graphics Embosser http://www.viewplustech.comNOW 3-D

  • high resolution (20 dots per inch) windows printer driver

  • prints through MS Word, graphics programs, Excel, AGC

  • Braille translation built in (Duxbury module)

  • fonts built in (DotsPlus, Duxbury)

  • flexible paper sizes – 8.5 by 11, 11 by 11.5; 17 by infinity


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Teaching Students How to Read Tactile Math Graphs

  • Begin at an early age

  • Start with real objects

  • Move to 3-D models

  • Then to 2-D manipulatives

  • Finally try tactile graphics on various surfaces

    • Hard plastic

    • Thermoformed Brailon of foil or collage

    • Quick Draw or Capsule/Swell/Flexi-Paper

    • Braille Paper

  • Use APH Tangible Graphs to evaluate and/or re-teach if necessary


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Selected Teaching Strategieshttp://www.tsbvi.edu/math/teaching.htm

  • Collaborative/Inclusive Strategies

  • Prime Factorization on the Abacus

  • Standardized Braille Number Lines

  • Graphing on a Coordinate Plane

  • Geometric Constructions

  • Solving Quadratic Equations

  • Transformations, Line Symmetry, and Tesselations


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Other Math Resources

  • Delta http://www.delta-education.com

  • EASI – Equal Access to Software and Information for Persons with Disabilities http://www.isc.rit.edu/~easi

  • Eisenhower National Clearinghouse http://www.enc.org

  • ETA/Cuisenaire http://www.etacuisenaire.com

  • Math Forum http://www.mathforum.org

  • Science Access Project at Oregon State University http://dots.physics.orst.edu

  • TAEVIS at Purdue University http://www.taevisonline.purdue.edu


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