A Few of My Favorite Things for Teaching Math to Students Who are Visually Impaired - PowerPoint PPT Presentation

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A Few of My Favorite Things for Teaching Math to Students Who are Visually Impaired

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Title: A Few of My Favorite Things for Teaching Math to Students Who are Visually Impaired


1
A Few of My Favorite Things for Teaching Math to
Students Who are Visually Impaired
  • May 12, 2005

2
Presented bySusan A. Osterhaus
  • Texas School for the Blind and Visually Impaired
  • 1100 West 45th Street
  • Austin, TX 78756
  • (512) 206-9305
  • susanosterhaus_at_tsbvi.edu
  • http//www.tsbvi.edu/math/

3
Suggested Adaptive Tools and Materials
  • Math Materials
  • Basic Tools and Technology
  • Calculators
  • Drawing/Construction Tools
  • Measuring Tools
  • Student-Generated Graphics
  • Graphics Made by Others
  • Strategies and Resources

4
Math MaterialsBraille Reader
  • High Quality Braille Textbook
  • Nemeth Code y .k x2"3x4
  • Tactile Graphics
  • Teacher-Made Materials
  • Worksheets
  • Quizzes
  • Tests

5
Nemeth Translation Packageshttp//www.tsbvi.edu/m
ath/nemeth-trans.htm
  • Duxbury DBT WIN 10.3
  • or MegaMath http//www.duxburysystems.com
  • MacKichan Scientific Notebook http//www.mackicha
    n.com

6
Math MaterialsLarge Print Reader
  • Large Print Textbook
  • Enlarged Materials
  • Regular Print with Magnification
  • Be Alert for Color-Keyed Graphics

7
Basic Math Tools Braille Reader
  • Braillewriter
  • Braille Paper
  • Braille Eraser
  • Abacus

8
Basic Math TechnologyBraille Reader
  • Refreshable Braille
  • Braille Notetaker
  • PC with Refreshable
    Braille Keyboard
  • Laptop

9
Basic Math Tools Large Print Reader
  • Black Line Paper
  • Proper Writing Implement
  • Reading Stand

10
Basic TechnologyLarge Print Reader
  • Desktop Computer
  • Laptop
  • Low-Vision Software

11
New TechnologyLarge Print Reader
  • Virtual Ink Corporation
  • http//www.mimio.com

12
New Technology For All
  • addition
  • subtraction
  • multiplication
  • division
  • VP Algebra
  • Virtual Pencil
  • http//www.hentermath.com

13
Head-Start Hands-On Tools
  • APH Tactile Demonstration
  • Thermometer
  • HANDS-ON EQUATIONS?
  • Learning Systems
  • http//www.borenson.com

14
Voice Recognition Software
  • MathPadTM By VoiceTM
  • MathTalkTM/Scientific NotebookTM
  • MathTalkTM/Scientific WorkPlaceTM
  • http//www.metroplexvoice.com/  

15
NASAs Online Math Description Engine (MDE)
  • Graphing Calculator Math Trax
  • http//prime.jsc.nasa.gov/demo/IAL/index.html

16
Math Players Math-to-Speech Technology
  • Design Science http//www.dessci.com

17
Accessible Scientific/Graphing Calculators for All
  • Talking Scientific Calculator
  • ORION TI-34
  • http//www.orbitresearch.com
  • Talking Graphing Calculators
  • Accessible Graphing Calculator (AGC)
  • Large Display, Self-Voiced, Print and
  • Tactile Graphics, AudioWave
  • http//www.viewplus.com/
  • GTCalc
  • Large Display, Self-Voiced, Print
  • Graphics, Audiowave
  • http//www.horizonsoftware.com.au

18
Braille Scientific Calculators
  • PAC Mate (BX or QX)
  • 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.pulsedata.com
  • Leo Braille Display
    Scientific Calculator
  • http//www.sensorytools.com
  • (presently out of stock)

19
Large Display/Graphing Calculator Solutions
  • TI Graphing Calculator
  • Screen Enlargement Solution http//education.ti.c
    om/educationportal/
  • Sci-Pod
    http//www.sightenhancement.com
  • Scientific Notebook http//www.mackichan.c
    om
  • TI-83 Trainer http//www.goldedte
    ch.com

20
Drawing/Construction Toolshttp//www.tsbvi.edu/ma
th/mathtools.htm
  • Drawing Board
  • Compass
  • Straightedge
  • Tracing Wheel
  • Braille/Print Protractor
  • Stylus and/or Pen
  • http//www.APH.org/
  • http//www.fiskars.com/
  • http//www.perkins.org/

21
Measuring Tools http//www.tsbvi.edu/math/mathtoo
ls.htm
  • Ruler
  • Yardstick and Meter Stick
  • Braille/Print Protractor

22
Student-Generated Quick/Instant Tactile Graphics
  • APH Quick-Draw Paper
  • APH Picture Maker Wheatly
    Tactile Diagramming Kit
  • Thermo Pen I II http//www.repro-tr
    onics.com
  • WikkiStix http//www.wikkistix
    .com

23
Student-Generated Graphics on a Number Line
  • APH Number Line Device
  • Student-Made Number Lines

  • 77r77r77r77r77r33r33r33o
  • -1 0 1 2 3 4 5

24
Student-Generated Graphics on a Coordinate Plane
  • Graph Paper
  • Graphic Aid for Mathematics

25
Geometric Manipulatives
  • 2-D Manipulatives
  • Paper Folding
  • 3-D Manipulatives
  • Nets

26
Thoughts on Visual vs Tactual Perception
  • 1. Visual impairment is not an isolated
    condition it affects the whole process of
    information-gathering.
  • 2. Vision enables a person to simultaneously
    perceive all parts of an object in its totality
    and in its relationship to other objects.
  • 3. The visually impaired learner has to rely on
    sequential observations (only part of an object
    can be seen or felt at a time) and the entire
    image has to be "built-up" out of the components.
    Relationships with other objects can be lost
    entirely.
  • 4. The level of cognition needed for integration
    of sequential information is higher than that
    needed for concept formation through immediate
    visual perception.
  • 5. If you have vision, you can experience this
    way of processing information by looking at a
    drawing through a very small hole in a piece of
    card held over the drawing I think that you will
    find that it's hard for you to "get the picture.

27
Preparing Tactile Math Graphics
http//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

28
Math Graphics Made by Others
  • APH Tactile Graphics Kit
  • Collage
  • APH Geometry Tactile Graphics Kit
  • Tactile Imaging Machine and Capsule Paper
  • Pictures in a Flash (PIAF) http//www.pulsedata.
    com
  • Swell-Form Graphics Machine http//www.atcbrleqp.c
    om
  • Tactile Image Enhancer
    http//www.repro-tronics.com

29
TTT Talking Tactile Tablet
  • http//www.touchgraphics.com

30
Math Graphics Made to Order by Others
  • ghBraille http//www.ghbraille.com/
  • LaserLine Graphics
  • Tactile Vision Inc. http//www.tactilevision
    inc.com/

31
Tiger EmbossersTiger Pro, Tiger Max, Tiger Cub,
or Tiger Cub Jr http//www.viewplus.com NOW
3-D
  • high resolution (20 dots per inch) windows
    printer driver
  • create and emboss through MS Office, graphics
    programs, AGC, mimio, Duxbury, MegaMath, and
    more
  • faster, quieter, easier than before
  • interpoint and intergraphix
  • stack paper or tractor media, or both

32
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

33
Selected Teaching Strategieshttp//www.tsbvi.edu/
math/teaching.htm
  • Collaborative/Inclusive Strategies
  • Arithmetic Calculation Using the Braillewriter
  • Linear Measure, Perimeter, and Area
  • Prime Factorization on the Abacus
  • Standardized Braille Number Lines
  • Graphing on a Coordinate Plane
  • Geometric Constructions
  • Transformations, Line Symmetry, and Tesselations
  • Solving Quadratic Equations

34
Other Math Resources
  • Delta http//www.delta-education.com
  • Didax http//www.didaxinc.com
  • EASI Equal Access to Software and Information
    for Persons with Disabilities http//www.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.taevisonlin
    e.purdue.edu
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