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Prefixes 02
Using 'un' as a prefix to 'happy' makes an 'unhappy baby'!

Prefixes 02

Prefixes change meaning at the start of words. In this KS3 English quiz, practise mis-, re-, un- and anti-, and see how prefixes affect spelling, grammar, and clarity.

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Fascinating Fact:

Mis signals wrong or badly, misunderstand, misplace, and mishear all describe errors we make every day.

In KS3 English, you study how prefixes attach to the front of root words to adjust meaning. For example, re- suggests again (rebuild), un- means not (unfair), and anti- shows against (antibacterial). Spotting prefixes helps you decode unfamiliar vocabulary.

  • Prefix: Letters added to the start of a word to change its meaning, such as mis-, re-, or un-.
  • Root word: The base word that carries the main meaning, for example place in misplace.
  • Derivation: Forming a new word by adding a prefix or suffix, like fair to unfair.
What does the prefix mis- mean in English?

The prefix mis- means wrong or badly. Examples include misunderstand (understand wrongly), misplace (place wrongly), and mishear (hear incorrectly).

Do prefixes change the spelling of the root word?

Usually the root spelling stays the same, but watch double letters (re + enter becomes re-enter) and hyphens that prevent confusion or awkward doubles.

How can prefixes help me work out meanings in exams?

Knowing common prefixes lets you infer meanings quickly. If you know anti- means against, then antifreeze is something that prevents freezing.

1 .
Select the correct prefix for the following word.
.......arrange
In-
Pre-
Tele-
Un-
To "prearrange" means to arrange in advance
2 .
Select the correct prefix for the following word.
.......take
Dis-
Mis-
Pre-
Un-
"Mistake" can be used as a noun or verb. Interestingly, the word "unmistakable" has two prefixes in it: un- and mis-
3 .
Select the correct prefix for the following word.
.......represent
Dis-
In-
Mis-
Un-
To "misrepresent" means to give a false account of something
4 .
Select the correct prefix for the following word.
.......allow
Dis-
In-
Mis-
Un-
To "disallow" means to refuse to allow
5 .
Select the correct prefix for the following word.
.......usual
In-
Pre-
Re-
Un-
Adding the prefix un- gives the opposite meaning of "usual"
6 .
Select the correct prefix for the following word.
.......happy
Dis-
In-
Re-
Un-
Un-, dis- and mis- are often negative prefixes
7 .
Select the correct prefix for the following word.
.......appoint
Dis-
In-
Per-
Un-
To "disappoint" means to not fulfil expectations
8 .
Select the correct prefix for the following word.
.......real
Dis-
In-
Mis-
Un-
Adding the prefix un- makes the opposite meaning of "real"
9 .
Select the correct prefix for the following word.
.......fair
Mis-
Per-
Re-
Un-
"Unfair" is the opposite of "fair"
10 .
Select the correct prefix for the following word.
.......continue
Dis-
In-
Re-
Un-
To "discontinue" means to stop

 

Author:  Sue Daish (English Teacher, Principal Examiner & Published Author)

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