Glossary · Letters, phonics and word reading
What is the alphabetic principle?
Definition
The alphabetic principle is the understanding that letters stand for speech sounds in a systematic way, so words can be read and spelled by their sounds.
It is the idea that makes phonics possible. A student who grasps it knows that the letters in a word aren't random. Each letter or letter group tells you a sound, and the sounds in order make the word.
You can see the moment it clicks. A student who used to guess from the first letter starts looking across the whole word. Or a student writes their first invented spelling, like “bik” for bike, and every letter matches a sound they heard. That spelling is wrong, but the thinking behind it is exactly right.
The principle has two halves: letter-sound knowledge and phonemic awareness. Teach both together, and short daily practice linking them brings it on fastest.
In a lesson
Lay out tiles for m, a and p. Say “map” slowly while the student points to each tile. Swap m for t and ask what word it is now. The student who says “tap” has the principle.
Examples
Each word with its spelling units, one per sound.
- tapt·a·p
- manm·a·n
- sats·a·t
Words come from our lexicon, checked against a pronouncing dictionary. Words a student sees in our assessments are left out.
Why does this matter for the record?
Note the first time a student spells a word with a letter for every sound, even if the spelling is wrong. It marks the start of real encoding.
Rate each skill as you teach it
Needs support, Developing, Secure. The rating schedules the review and builds the report.