270 likes | 1.18k Views
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
E N D
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