Introduction: Understanding Braille
Braille is a tactile writing system used by people who are blind or visually impaired. Developed by Louis Braille in 1824, it consists of raised dots arranged in cells that represent letters, numbers, punctuation, and special symbols. Each braille cell contains six dot positions arranged in two columns of three dots each. These positions are numbered 1 through 6, with dots 1, 2, and 3 in the left column (top to bottom) and dots 4, 5, and 6 in the right column. This cheat sheet provides a comprehensive reference for learning, teaching, and understanding the braille system.
Core Braille Concepts
The Braille Cell Structure
Dot Position Reference:
1 • • 4
2 • • 5
3 • • 6
| Element | Description |
|---|---|
| Cell | Basic unit of braille consisting of a rectangular arrangement of six dot positions |
| Dot | Raised bump that can be felt with fingertips |
| Space | Gap between cells representing space between characters |
| Line | Row of braille cells, typically 40-42 cells per line in standard formats |
| Page | Complete braille document, usually containing 25 lines per page |
Braille Grades
| Grade | Description | Usage |
|---|---|---|
| Grade 1 | Uncontracted braille; one-to-one representation of letters, numbers, and punctuation | Learning, labels, mathematics, early readers |
| Grade 2 | Contracted braille; includes 189 contractions and short-form words | Most common form for general reading and writing |
| Grade 3 | Highly contracted personal braille with additional shortcuts | Personal notes, informal communication |
Braille Alphabet (Grade 1)
Letters A-Z
| Letter | Dot Pattern | Dot Numbers | Letter | Dot Pattern | Dot Numbers |
|---|---|---|---|---|---|
| A | ⠁ | 1 | N | ⠝ | 1-3-4-5 |
| B | ⠃ | 1-2 | O | ⠕ | 1-3-5 |
| C | ⠉ | 1-4 | P | ⠏ | 1-2-3-4 |
| D | ⠙ | 1-4-5 | Q | ⠟ | 1-2-3-4-5 |
| E | ⠑ | 1-5 | R | ⠗ | 1-2-3-5 |
| F | ⠋ | 1-2-4 | S | ⠎ | 2-3-4 |
| G | ⠛ | 1-2-4-5 | T | ⠞ | 2-3-4-5 |
| H | ⠓ | 1-2-5 | U | ⠥ | 1-3-6 |
| I | ⠊ | 2-4 | V | ⠧ | 1-2-3-6 |
| J | ⠚ | 2-4-5 | W | ⠺ | 2-4-5-6 |
| K | ⠅ | 1-3 | X | ⠭ | 1-3-4-6 |
| L | ⠇ | 1-2-3 | Y | ⠽ | 1-3-4-5-6 |
| M | ⠍ | 1-3-4 | Z | ⠵ | 1-3-5-6 |
Numbers
| Number | Dot Pattern | Description |
|---|---|---|
| 1 | ⠼⠁ | Number sign + a |
| 2 | ⠼⠃ | Number sign + b |
| 3 | ⠼⠉ | Number sign + c |
| 4 | ⠼⠙ | Number sign + d |
| 5 | ⠼⠑ | Number sign + e |
| 6 | ⠼⠋ | Number sign + f |
| 7 | ⠼⠛ | Number sign + g |
| 8 | ⠼⠓ | Number sign + h |
| 9 | ⠼⠊ | Number sign + i |
| 0 | ⠼⠚ | Number sign + j |
Note: The number sign ⠼ (dots 3-4-5-6) precedes digits to indicate numeric mode.
Basic Punctuation
| Symbol | Dot Pattern | Dot Numbers | Symbol | Dot Pattern | Dot Numbers |
|---|---|---|---|---|---|
| Period | ⠲ | 2-5-6 | Exclamation | ⠖ | 2-3-5 |
| Comma | ⠂ | 2 | Question Mark | ⠦ | 2-3-6 |
| Semicolon | ⠆ | 2-3 | Colon | ⠒ | 2-5 |
| Hyphen | ⠤ | 3-6 | Apostrophe | ⠄ | 3 |
| Quotation Mark | ⠶ | 2-3-5-6 | Parentheses | ⠐⠣ ⠐⠜ | 5, 1-2-6 and 5, 2-3-4-5 |
| Brackets | ⠨⠣ ⠨⠜ | 4-6, 1-2-6 and 4-6, 2-3-4-5 | Dash | ⠠⠤ | 6, 3-6 |
Special Indicators
| Symbol | Dot Pattern | Description | Usage |
|---|---|---|---|
| Capital | ⠠ | Dots 6 | Precedes a single capitalized letter |
| Caps Lock | ⠠⠠ | Dots 6, 6 | Precedes a word in all caps |
| Number | ⠼ | Dots 3-4-5-6 | Precedes a number or numeric sequence |
| Letter | ⠰ | Dots 5-6 | Returns to letter mode after numbers |
| Italic | ⠨ | Dots 4-6 | Indicates italic text |
| Bold | ⠘ | Dots 4-5-6 | Indicates bold text |
| Accent | ⠈ | Dots 4 | Indicates accented letter |
Grade 2 Braille (Contracted)
Common Contractions
| Contraction | Dot Pattern | Represents | Example |
|---|---|---|---|
| ⠁ | 1 | a | _a_bout |
| ⠃ | 1-2 | but | but |
| ⠉ | 1-4 | can | can |
| ⠙ | 1-4-5 | do | do |
| ⠑ | 1-5 | every | _every_one |
| ⠋ | 1-2-4 | from | from |
| ⠛ | 1-2-4-5 | go | _go_ing |
| ⠓ | 1-2-5 | have | have |
| ⠚ | 2-4-5 | just | just |
| ⠅ | 1-3 | knowledge | knowledge |
| ⠇ | 1-2-3 | like | like |
| ⠍ | 1-3-4 | more | more |
| ⠝ | 1-3-4-5 | not | not |
| ⠏ | 1-2-3-4 | people | people |
| ⠟ | 1-2-3-4-5 | quite | quite |
| ⠗ | 1-2-3-5 | rather | rather |
| ⠎ | 2-3-4 | so | so |
| ⠞ | 2-3-4-5 | that | that |
| ⠥ | 1-3-6 | us | us |
| ⠧ | 1-2-3-6 | very | very |
| ⠺ | 2-4-5-6 | will | will |
| ⠭ | 1-3-4-6 | it | it |
| ⠽ | 1-3-4-5-6 | you | you |
| ⠵ | 1-3-5-6 | as | as |
Common Word Signs (Whole-word Contractions)
| Word | Dot Pattern | Dot Numbers | Word | Dot Pattern | Dot Numbers |
|---|---|---|---|---|---|
| and | ⠯ | 1-2-3-4-6 | of | ⠷ | 1-2-3-5-6 |
| for | ⠿ | 1-2-3-4-5-6 | the | ⠮ | 2-3-4-6 |
| with | ⠾ | 2-3-4-5-6 | in | ⠔ | 3-5 |
| was | ⠴ | 2-3-5-6 | were | ⠢ | 2-3-5-6 |
| his | ⠦ | 2-3-6 | to | ⠖ | 2-3-5 |
Short-Form Words
| Word | Dot Pattern | Word | Dot Pattern |
|---|---|---|---|
| about | ⠁⠃ | necessary | ⠝⠑⠉ |
| according | ⠁⠉ | neither | ⠝⠑⠊ |
| across | ⠁⠉⠗ | o’clock | ⠕⠄⠉ |
| afternoon | ⠁⠋⠝ | perceive | ⠏⠑⠗⠉ |
| afterward | ⠁⠋⠺ | perhaps | ⠏⠑⠗⠓ |
| again | ⠁⠛ | quick | ⠟⠅ |
| almost | ⠁⠇⠍ | receive | ⠗⠑⠉ |
| already | ⠁⠇⠗ | rejoice | ⠗⠑⠚ |
| although | ⠁⠇⠮ | should | ⠩⠙ |
| altogether | ⠁⠇⠞ | today | ⠞⠙ |
| always | ⠁⠇⠺ | together | ⠞⠛⠗ |
| because | ⠃⠉ | tomorrow | ⠞⠍ |
| before | ⠃⠋ | tonight | ⠞⠝ |
| behind | ⠃⠓ | would | ⠺⠙ |
| between | ⠃⠞⠺ | your | ⠽⠗ |
| beyond | ⠃⠽ | yourself | ⠽⠗⠋ |
| children | ⠡⠝ | yourselves | ⠽⠗⠧⠎ |
Braille Mathematics
Basic Mathematical Symbols
| Symbol | Dot Pattern | Description | Example Usage |
|---|---|---|---|
| + | ⠬ | Plus | 2 + 2 = 4 |
| − | ⠤ | Minus | 5 – 3 = 2 |
| × | ⠡ | Multiplication | 3 × 4 = 12 |
| ÷ | ⠌ | Division | 10 ÷ 2 = 5 |
| = | ⠀⠶⠀ | Equals | x = 5 |
| < | ⠐⠅ | Less than | 3 < 5 |
| > | ⠐⠂ | Greater than | 7 > 2 |
| % | ⠨⠴ | Percent | 50% |
| √ | ⠜⠜ | Square root | √9 = 3 |
| ∑ | ⠮⠎ | Summation | ∑(1 to n) |
| ∫ | ⠮⠊ | Integral | ∫(x)dx |
Fractions and Mixed Numbers
| Expression | Braille Representation | Description |
|---|---|---|
| Simple fractions | ⠝⠥⠍⠑⠗⠁⠞⠕⠗⠌⠙⠑⠝⠕⠍⠊⠝⠁⠞⠕⠗ | Numerator, division sign, denominator |
| Mixed numbers | ⠺⠓⠕⠇⠑⠀⠝⠥⠍⠃⠑⠗⠸⠹⠝⠥⠍⠑⠗⠁⠞⠕⠗⠌⠙⠑⠝⠕⠍⠊⠝⠁⠞⠕⠗⠸⠼ | Whole number, fraction indicator, fraction, ending indicator |
Specialized Braille Codes
Computer Braille Code
| Category | Description | Example |
|---|---|---|
| Special Characters | Symbols used in programming | @ (at sign): ⠈⠁ |
| Extended ASCII | Characters beyond standard ASCII | € (euro): ⠈⠑ |
| Code Blocks | Formatting for code sections | {} (braces): ⠸⠣ ⠸⠜ |
Music Braille
| Element | Description | Example Notation |
|---|---|---|
| Notes | Pitch and duration | C (quarter note): ⠙⠉ |
| Rests | Silence notation | Quarter rest: ⠧ |
| Time Signatures | Rhythmic organization | 4/4: ⠼⠙⠲ |
| Key Signatures | Tonal center indication | C major: ⠡⠡⠡ |
Foreign Language Braille
| Language | Special Features | Examples |
|---|---|---|
| Spanish | Accented characters | ñ: ⠻ |
| French | Unique contractions | ê: ⠢ |
| German | Special letter combinations | ß: ⠞ |
| Japanese | Specialized braille system (different cell structure) | Uses 6-dot system for kana |
Braille Production & Technology
Braille Writing Tools
| Tool | Description | Best For |
|---|---|---|
| Slate and Stylus | Manual writing tool, requires writing from right to left | Portable, inexpensive, personal use |
| Braille Writer (Perkins Brailler) | Mechanical typewriter for braille | Classroom, office, regular use |
| Electronic Braille Writer | Digital version with memory and editing capabilities | Professional transcription |
| Braille Embosser | Printer that produces braille documents | High-volume production |
| Refreshable Braille Display | Electronic device with pins that raise/lower to form braille | Computer/device access |
Braille Translation Software
| Software | Platform | Features |
|---|---|---|
| Duxbury | Windows, Mac | Industry standard, multiple languages |
| JAWS with BrailleIn | Windows | Screen reader with braille support |
| NVDA with Braille Output | Windows | Free screen reader with braille support |
| BrailleBlaster | Cross-platform | Open-source translation software |
| Liblouis | Cross-platform | Open-source braille translator |
Learning and Teaching Braille
Learning Sequence
- Alphabet memorization – Learn the pattern for each letter
- Simple words – Practice with short, common words
- Numbers and punctuation – Add these elements gradually
- Grade 2 contractions – Learn most common contractions first
- Advanced contractions – Build vocabulary of complex contractions
- Reading fluency – Practice with increasingly complex texts
Common Challenges & Solutions
| Challenge | Solution | Tips |
|---|---|---|
| Dot Discrimination | Practice distinguishing similar patterns | Focus on mirror-image letters (d/f, h/j) |
| Reading Speed | Regular practice with increasing complexity | Start with known texts, then progress |
| Reversals | Systematic comparison of similar patterns | Create memory aids for confusing patterns |
| Tracking Lines | Develop consistent finger positioning | Use both hands: one reads, one tracks line ends |
| Contraction Recognition | Learn in meaningful context | Group contractions by pattern similarities |
Resources for Further Learning
Organizations:
- National Federation of the Blind (NFB)
- American Foundation for the Blind (AFB)
- Perkins School for the Blind
- National Braille Association
- CNIB (Canadian National Institute for the Blind)
Learning Resources:
- “Learn Braille in One Day” starter kit
- UEB Online Training
- Hadley Institute for the Blind and Visually Impaired courses
- Braille Bug® (AFB’s learning website for children)
- Paths to Literacy website
Online Tools:
- Braille Translator websites
- Virtual Braille Keyboard apps
- Tactile Graphics Image Library
- Braille Reader simulation software
- Braille games and puzzles
Print/Braille Books:
- Beginning with Braille (by Anna Swenson)
- Just Enough to Know Better (by Eileen Curran)
- Read Again, Read Better (by Diane Wormsley)
- Building on Patterns series
- Braille for the Sighted (by S. Harold Collins)
Remember: Braille literacy is crucial for education, employment, and independence for people who are blind or have severe visual impairments. Learning braille takes practice and persistence, but opens doors to literacy, information access, and greater autonomy.