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Year 3 Term 3ii - KS2 spelling resources - Knowledge of prefixes to generate new words from root words

Introduces the prefixes re , pre, de, and mis, with interactive whiteboard lessons, and worksheets to reinforce learning.



  • Prefix recap: Looks at the prefixes un and dis from Year 2, and explores how the meaning of a root word is changed when they are added.
  • Prefix quiz: Shows 23 root words; the children have to decide if un, dis, or both prefixes can be added to make a word.
  • New prefix re: Looks at the rules of adding a prefix, that it does not usually change the spelling of a word, but it does change its meaning. It then gives examples of words containing the prefix, and asks the children if they know what meaning it adds to the words. It then gives a list of words where re is then added. The children can use these words in sentences.
  • New prefix pre: As above, with pre
  • New prefix de: As above, with de
  • New prefix mis: As above, with mis
  • Sentence Challenge: Explains what a synonym is, then challenges the children to make sentences from a selection of words containing the new prefixes.
  • Synonyms: Looks at words containing the new prefixes, and asks the children to think of synonyms.
  • Prefix revision: A recap of un, dis, re, pre, mis, non, anti, and ex, and what meaning they add to words.
  • Sentences - adding prefixes: Six sentences for the children to change the root words by adding prefixes.


  • Word cards un and dis words: A selection of root words, plus the words with un- or dis- added to them.
  • Prefixes re pre de mis cards: To use with the cards below, to add to root words to see if they make a word.
  • Bingo cards & Root words: 6 Bingo sheets containing the new prefixes, with root words.
  • Wordsearches: 4 different wordsearches, with re, pre mis and de words. There are 2 versions of each - with and without the word clues.
  • Anti - worksheet: Contains a list of words, and space for the children to write down the meanings of 10 of them.
  • Non - worksheet: Contains a list of words, and space for the children to write down the meanings of 10 of them.
  • Ex - worksheet: Contains a list of words, and space for the children to write down the meanings of 10 of them.
  • Word wheel: A selection of root words with the prefixes un, dis, re, pre mis and de in the inside wheel.

A planning sheet for the unit, in Word, with the activities above alongside the objectives
A word list of age appropriate words to use in the unit.


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