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Year 5 - English

Spelling words with the prefixes co-, pre-, pro- and sus-

Etymology and prefixes

Unit Summary

In this unit, pupils learn to investigate and spell words in English with Greek and Latin origins. Pupils also learn to spell polysyllabic words and words with a greater range of prefixes, like de-, re-, sub-, super-, inter- anti-, auto-, bi-, trans-, tele- and circum-.

Lesson Summary

You will learn to spell a range of words with the prefixes co-, pre-, pro- and sus-.

Key Notes

  • A prefix is a letter or group of letters at the start of a word which changes its meaning.
  • The prefixes co-, com- and con- mean 'together' or 'with'.
  • The prefix pre- means 'before' and pro- means 'ahead'.
  • A hyphen can join a prefix to a base word to avoid ambiguity in meaning or spelling.
  • How to spell the curriculum words: complete, programme and develop.

Vocabulary To Learn

  • prefix: a letter or group of letters added to the start of a root word to change its meaning
  • root word: the base word from which other words are formed often by adding prefixes or suffixes
  • hyphen: a hyphen can join a prefix to a base word to avoid ambiguity in meaning or spelling

Common Mistakes To Avoid

  • Children may not remember double letters at the start of some words with prefixes, such as illogical or dissatisfied.

3 Quick Questions (With Answers)

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

A prefix is a letter or group of letters at the start of a word which changes its meaning. The prefixes co-, com- and con- mean 'together' or 'with'.

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

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

3. Correct this common English misunderstanding.

Mistake: Children may not remember double letters at the start of some words with prefixes, such as illogical or dissatisfied. Correction: Help the children to see that if they recognise the prefix and the base word, they can work out the spelling of the new word, as prefixes do not change the spelling of the root word.

More Lessons In This Unit

Browse all guides in the Year 5 English guide library.