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Negative Prefixes
A prefix is added to the beginning of a word, or to a
word root to change its meaning. For example adding un to
pleasant becomes unpleasant. It makes the original word
an antonym (its opposite)
Try these: Move the
un to the root word
and see what antonym
you get
Un
dress
decided
cooked
acceptable
pleasant
did
Choose negative prefixes from the box to make each of
these words into antonyms.
word roots
justice
polite
approve
behave
possible
sufficient
literate
colour
trust
honest
In dis mis im il
Can you think of any more
examples of antonyms
containing these negative
prefixes? Does it change its
spelling in each case?
Can you think of any more
examples of antonyms
containing these negative
prefixes? Does it change its
spelling in each case?
Use a dictionary and a thesaurus to help. On your
whiteboards write these word roots to make antonyms.
Workin pairs.
Word
experience
logical
mature
regular
possible
complete
legal
reversible
Antonym using negative
prefix
Show me your
Whiteboards.
How did you get on?
What did you learn?

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Negative prefixes antonyms

  • 1. Negative Prefixes A prefix is added to the beginning of a word, or to a word root to change its meaning. For example adding un to pleasant becomes unpleasant. It makes the original word an antonym (its opposite) Try these: Move the un to the root word and see what antonym you get Un dress decided cooked acceptable pleasant did
  • 2. Choose negative prefixes from the box to make each of these words into antonyms. word roots justice polite approve behave possible sufficient literate colour trust honest In dis mis im il Can you think of any more examples of antonyms containing these negative prefixes? Does it change its spelling in each case? Can you think of any more examples of antonyms containing these negative prefixes? Does it change its spelling in each case?
  • 3. Use a dictionary and a thesaurus to help. On your whiteboards write these word roots to make antonyms. Workin pairs. Word experience logical mature regular possible complete legal reversible Antonym using negative prefix Show me your Whiteboards. How did you get on? What did you learn?