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Year 3 - English

Spelling words with the suffixes -er and -est using alternative rules

More suffixes and silent letters

Unit Summary

In this unit, pupils learn spelling and grammar conventions used with the suffixes -ly, -ful and -less, as well as the spelling of words with silent letters. Pupils will learn how the addition of a suffix can affect the grammar of a word, for example its word class or tense.

Lesson Summary

You will learn to change the meaning of a word by adding the suffixes -er and -est.

Key Notes

  • -er and "-est" are suffixes that can be used to change the meaning of a root word.
  • For root words ending in 'y', you can remove the 'y' and add -ier or -iest.
  • For root words with a short vowel sound, you can double the consonant and add the suffix -er or -est.
  • How to spell the curriculum words popular and unpopular.

Vocabulary To Learn

  • suffix: a letter or group of letters added to the end of a word to change its meaning
  • root word: the base word from which other words are formed often by adding prefixes or suffixes
  • adjective: describes a noun
  • vowel: a speech sound produced with an open mouth
  • consonant: a sound that is made by blocking air in the mouth with the teeth, tongue, lips or palate

Common Mistakes To Avoid

  • Pupils often forget to double the consonant when adding the suffixes -er or -est.

3 Quick Questions (With Answers)

1. Explain this English learning goal in two key points.

-er and "-est" are suffixes that can be used to change the meaning of a root word. For root words ending in 'y', you can remove the 'y' and add -ier or -iest.

2. Define this language term and use it in a sentence. 'suffix'

a letter or group of letters added to the end of a word to change its meaning.

3. Correct this common English misunderstanding.

Mistake: Pupils often forget to double the consonant when adding the suffixes -er or -est. Correction: Show non-examples when the consonant has not been doubled after a short vowel sound (hot-hotest). Explain how this alters our pronunciation.

More Lessons In This Unit

Browse all guides in the Year 3 English guide library.