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Prefixes 01
In the word 'octopus' the 'oct' part is a prefix meaning 8. An octopus has 8 arms.

Prefixes 01

Prefixes change meaning. In this KS3 English quiz, learn common prefixes, spot patterns, and check how they alter spelling and meaning in everyday words.

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Fascinating Fact:

Bi often means two or twice, a bicycle has two wheels and a biweekly event happens every two weeks.

In KS3 English, you will study prefixes, small parts added to the start of words that change meaning. For example, re- means again, un- means not, and bi- often means two.

  • Prefix: A group of letters added to the start of a word to change its meaning, like un- in unfair.
  • Root word: The main part of a word that carries the core meaning, such as cycle in bicycle.
  • Affix: A general term for prefixes and suffixes that attach to a root word.
What is a prefix in English?

A prefix is a group of letters added to the start of a word to change its meaning. For example, replay means play again and inactive means not active.

Does bi mean two or twice?

Often both. Bicycle has two wheels and biweekly can mean every two weeks. Check context or a dictionary to confirm the intended meaning.

Which prefixes should I learn for KS3?

Focus on common ones: un- not, dis- not or opposite, re- again, pre- before, mis- wrong, bi- two, tri- three, anti- against.

1 .
What does the prefix pre- (as in "prefix") mean?
After
Before
Beside
Next to
Pre- is the prefix in "preview"
2 .
What does the prefix poly- (as in "polygon") mean?
Few
Many
One
Some
A polygon is a many-sided shape
3 .
What does the prefix peri- (as in "perimeter") mean?
Around
Beside
In front of
Inside
The word "peripatetic" also begins with the prefix peri-
4 .
What does the prefix tele- (as in "television") mean?
Far
Hear
Near
See
The prefix tele- can also be seen in "telephone" and "telegraph"
5 .
What does the prefix ex- (as in "exit") mean?
Down
In
Out
Up
Ex- is the prefix in "extract", too
6 .
What does the prefix cent- (as in "centurion") mean?
Ten
A hundred
A thousand
A million
A Roman centurion was in charge of a hundred men
7 .
What does the prefix milli- (as in "millipede") mean?
A hundredth
A thousandth
A millionth
Ten millionth
A thousand millimetres make a metre
8 .
What does the prefix oct-' (as in "octopus") mean?
Six
Seven
Eight
Ten
An octopus has eight tentacles
9 .
What does the prefix re- (as in "return") mean?
Again/back
Against/opposite
Before/earlier
Before/in front of
The prefix re- is also found in the word "repeat"
10 .
What does the prefix dec- (as in "decade") mean?
Ten
A hundred
A thousand
A million
There are ten years in a decade and a decagon has ten sides

 

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

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