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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 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**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**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**Math MaterialsBraille Reader**• High Quality Braille Textbook • Nemeth Codey .k x^2"+3x+4 • Tactile Graphics • Teacher-Made Materials • Worksheets • Quizzes • Tests**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)**Math MaterialsLarge Print Reader**• Large Print Textbook • Enlarged Materials • Regular Print with Magnification • Be Alert for Color-Keyed Graphics**Basic Math Tools Braille Reader**• Braillewriter • Braille Paper • Braille Eraser • Abacus**Basic Math TechnologyBraille Reader**• Refreshable Braille • Braille Notetaker • PC with Refreshable Braille Keyboard • Laptop**Basic Math Tools Large Print Reader**• Black Line Paper • Proper Writing Implement • Reading Stand**Basic TechnologyLarge Print Reader**• Desktop Computer • Laptop • Low-Vision Software**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**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**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**Drawing/Construction**Toolshttp://www.tsbvi.edu/math/mathtools.htm • Drawing Board • Compass • Straightedge • Tracing Wheel • Braille/Print Protractor • Stylus and/or Pen**Measuring Toolshttp://www.tsbvi.edu/math/mathtools.htm**• Ruler • Yardstick and Meter Stick • Braille/Print Protractor**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**Student-Generated Graphics on a Number Line**• APH Number Line Device • Student-Made Number Lines = [[77r77r77r77r77r33r33r33o -1 0 1 2 3 4 5**Student-Generated Graphics on a Coordinate Plane**• Graph Paper • Graphic Aid for Mathematics**Algebraic Manipulatives**• HANDS-ON EQUATIONS Learning Systems http://www.borenson.com**Geometric Manipulatives**• 2-D Manipulatives • Paper Folding • 3-D Manipulatives • Nets**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**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**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/**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**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**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**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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