CVC words — consonant, vowel, consonant — are the first words most children read and spell on their own: cat, sun, bed, pig, mud. Each letter stands for exactly one sound, and the vowel in the middle is short. Because nothing in a CVC word is silent or surprising, it is the pattern where blending sounds into a word, and pulling a word back apart into sounds, is actually learned.
How it is taught
CVC work usually starts with a small set of letters rather than the whole alphabet, so children can build real words in the first lesson instead of waiting for z. Children blend sounds aloud in order — /c/ /a/ /t/ — then reverse the job and segment a spoken word into sounds before writing it, often pushing a counter into a box for each sound. Changing one letter at a time — cat to hat, bed to red, box to fox — makes it obvious that every letter is doing work.
Where children get stuck
- The vowel is the hard part. A child can get the first and last consonant of 'mud' or 'wet' right and still guess at the middle, because the vowel is the least distinct sound in the word.
- Short e and short i sound close to each other, so 'pen' and 'pin' or 'bed' and 'bid' get swapped in both directions.
- b and d are mirror images and are genuinely mixed up at this age; 'bed' written as 'ded' is a letter-formation problem, not a phonics one, and is worth treating separately.
- In 'box' and 'fox' the x stands for two sounds, /k/ and /s/, so a child segmenting by ear may try to write four letters.
Word list
All 20 words here are single-syllable, so they are read and spelled whole.