BRL: Braille through Remote Learning

Specialized Codes Course


Session Topics
  • Orientation
  • Numerals and Indicator
  • Punctuation
  • Signs of Operation
  • Signs of Comparison
  • Decimal Point
  • Monetary
  • Signs of Omission
  • Plurals
  • Ordinals
  • Format

  • Reading Exercise
  • Writing Exercise

    Other Resources
  • Contact instructor
  • Send mail to class
  • Main BRL page
  • Contractions Lookup
  • Contractions List
  • Intro Braille course
  • Transcribers course


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    Apostrophe-s: 's dot 3dots 2-3-4

    1. When apostrophe-s is used to form the plural or possessive of a mathematical expression, the punctuation indicator must be used before the apostrophe. If the apostrophe is omitted in print, it must be omitted in braille.

      1. 1's and 2's

      2. How many 10's are there in 50?

      3. Insert +'s or ='s to make true sentences.

      4. 1s and 2s

      5. There are four 4s in 16.

      6. +s or =s

    2. When apsotrophe-s or "s" is attached to a mathematical expression, it becomes part of that expression and must be punctuated mathematically.

      1. 1's, 2's, and 3's.

      2. 1s, 2s, and 3s.

    Developed by
    Shodor logoThe Shodor Education Foundation, Inc.
    in cooperation with the
    North Carolina Central University
    and the Governor Morehead School for the Blind

    Copyright © 1998