The Prefix un-

PROCEDURAL

English›Spelling & Word Study|Ages 5—6|ID: mt_zBUcAPDRPM

Spell words using the prefix un- to change meaning; understand that un- creates opposites or reverses actions

Mastery Evidence

“Does [child] know that adding "un-" to the front of a word like "happy" or "lock" flips its meaning, and can they spell those words correctly?”

Eng_App1_Y1_53The national curriculum in England

Adding the prefix –un

Adding the prefix –un.

English · Key Stage 1

Eng_Y1_WT_07The national curriculum in England

Add prefix un-

Add prefixes and suffixes using the prefix un–.

English · Key stage 1

Show full prerequisite tree

Segmenting words into sounds hard
Must spell root words before adding prefixes
- Phonics Vocabulary hard
  Segmenting words into phonemes and spelling CVC words requires knowing 'phoneme', 'segment', and 'CVC' as defined terms
- Single Letter Sounds hard
  Need GPC knowledge to encode phonemes
  - Knowing all letters hard
    Must recognise letters before learning their sounds
    - Understanding print hard
      Must understand print direction before letter identification matters
- Onsets & Rimes hard
  Need segmenting skill for spelling
  - Rhyming words soft
    Rhyme awareness supports finer phoneme skills
  - Syllables soft
    Syllable awareness builds toward phoneme level
- Sitting and holding a pencil soft
  Handwriting needed for spelling practice
Phonics Vocabulary hard
Spelling with prefixes requires knowing 'prefix' and 'root word' as distinct, named concepts