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Year 4 - English

Using the suffix -ity

Noun and adjective suffixes

Unit Summary

In this unit, pupils learn spelling and grammar conventions associated with certain noun and adjective suffixes like -ity, -ness, -tion, -sion, -ssion, -cian, -cial and -tial. Pupils review how the addition of a suffix can affect the grammar of a word, in most cases by changing its word class.

Lesson Summary

You will learn to spell words using the suffix -ity.

Key Notes

  • The suffix -ity turns adjectives into abstract nouns.
  • When a word ends in 'e', remove the 'e', then add the suffix -ity.
  • When a word ends in a consonant, just add the suffix -ity.
  • How to spell irregular words with the suffix -ity, such as ability and simplicity.
  • How to spell the curriculum words: arrive, actual and actually.

Vocabulary To Learn

  • noun: a naming word for a person, place or thing
  • abstract noun: a type of noun that names an idea or quality that cannot be seen
  • root word: the base word from which other words are formed often by adding prefixes or suffixes
  • suffix: a letter or group of letters added to the end of a word to change its meaning.

Common Mistakes To Avoid

  • Children cannot see how the words 'grave' and 'gravity' are connected.

3 Quick Questions (With Answers)

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

The suffix -ity turns adjectives into abstract nouns. When a word ends in 'e', remove the 'e', then add the suffix -ity.

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

a naming word for a person, place or thing.

3. Correct this common English misunderstanding.

Mistake: Children cannot see how the words 'grave' and 'gravity' are connected. Correction: Explain the different meanings of the word 'grave', including serious or heavy.

More Lessons In This Unit

Browse all guides in the Year 4 English guide library.