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Revise Root Words: Adding Prefixes 1

In this worksheet, students choose prefixes to generate new words.

'Revise Root Words: Adding Prefixes 1' worksheet

Key stage:  KS 2

Curriculum topic:  English

Curriculum subtopic:  Spelling: Prefixes & Suffixes

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

A prefix is a letter or group of letters added to the beginning of a word. Knowing what a prefix means can help us to understand new words.

 

Some prefixes are easy to recognise. For example, un- changes a word into its opposite.

lucky / unlucky

 

Prefixes change words in lots of other ways, too, and in this worksheet you can practise using a wide range of them to make new words.

 

You may find a dictionary helpful if you don't know some of the words.

The prefix pre- means 'before'.

 

Look at the list of words beginning with pre- and match them with their definitions.

Column A

Column B

prefix
to make up your mind about something before you kn...
prepare
the time before a war
prejudge
a letter or group of letters added to the beginnin...
preview
a showing of a film or play before it opens to the...
pre-war
to get ready for something before it happens

The prefix bi- means 'two'.

 

Look at the list of words beginning with bi- and match them with their definitions.

Column A

Column B

bikini
an aeroplane with two sets of wings
biplane
a vehicle with pedals and two wheels
bicycle
being able to speak two languages
bilingual
a swimming costume in two parts

The prefix sub- means 'under'.

 

Look at the list of words beginning with sub- and match them with their definitions.

Column A

Column B

subway
the part of the earth directly underneath the soil
submerge
a tunnel underneath a road for people to walk thro...
submarine
a ship that can travel under water
subsoil
to put something under water

The prefix inter- means 'between'.

 

Look at the list of words beginning with inter- and match them with their definitions.

Column A

Column B

international
something happening between two countries or natio...
interval
a system that allows people to communicate with ea...
intercom
the time between the two parts of a play or sporti...
interview
a conversation between two or more people, usually...

The prefix anti- means 'against'.

 

Look at the list of words beginning with anti- and match them with their definitions.

Column A

Column B

antifreeze
behaving in a way that people don\'t normally beha...
anti-clockwise
a product used to stop car engines freezing in win...
antiseptic
a cream that stops a wound from becoming infected
antisocial
the opposite direction from the hands of a clock

Use one of the prefixes from the first five questions to the word historic to make a new word that means 'the time before people starting recording history'.

 

Write the new word in the answer box.

Use one of the prefixes from the first five questions to the word annual to make a new word that means 'something that happens twice a year'.

 

Write the new word in the answer box.

Use one of the prefixes from the first five questions to the word soak to make a new word that means 'soak something before using it'.

 

Write the new word in the answer box.

Use one of the prefixes from the first five questions to the word asthma to make a new word that means 'medicine used to treat asthma'.

 

Write the new word in the answer box.

Use one of the prefixes from the first five questions to the word locked to make a new word that means 'joined together closely'.

 

Write the new word in the answer box.

  • Question 1

The prefix pre- means 'before'.

 

Look at the list of words beginning with pre- and match them with their definitions.

CORRECT ANSWER

Column A

Column B

prefix
a letter or group of letters adde...
prepare
to get ready for something before...
prejudge
to make up your mind about someth...
preview
a showing of a film or play befor...
pre-war
the time before a war
  • Question 2

The prefix bi- means 'two'.

 

Look at the list of words beginning with bi- and match them with their definitions.

CORRECT ANSWER

Column A

Column B

bikini
a swimming costume in two parts
biplane
an aeroplane with two sets of win...
bicycle
a vehicle with pedals and two whe...
bilingual
being able to speak two languages
  • Question 3

The prefix sub- means 'under'.

 

Look at the list of words beginning with sub- and match them with their definitions.

CORRECT ANSWER

Column A

Column B

subway
a tunnel underneath a road for pe...
submerge
to put something under water
submarine
a ship that can travel under wate...
subsoil
the part of the earth directly un...
  • Question 4

The prefix inter- means 'between'.

 

Look at the list of words beginning with inter- and match them with their definitions.

CORRECT ANSWER

Column A

Column B

international
something happening between two c...
interval
the time between the two parts of...
intercom
a system that allows people to co...
interview
a conversation between two or mor...
  • Question 5

The prefix anti- means 'against'.

 

Look at the list of words beginning with anti- and match them with their definitions.

CORRECT ANSWER

Column A

Column B

antifreeze
a product used to stop car engine...
anti-clockwise
the opposite direction from the h...
antiseptic
a cream that stops a wound from b...
antisocial
behaving in a way that people don...
  • Question 6

Use one of the prefixes from the first five questions to the word historic to make a new word that means 'the time before people starting recording history'.

 

Write the new word in the answer box.

CORRECT ANSWER
prehistoric
  • Question 7

Use one of the prefixes from the first five questions to the word annual to make a new word that means 'something that happens twice a year'.

 

Write the new word in the answer box.

CORRECT ANSWER
biannual
  • Question 8

Use one of the prefixes from the first five questions to the word soak to make a new word that means 'soak something before using it'.

 

Write the new word in the answer box.

CORRECT ANSWER
presoak
pre-soak
EDDIE SAYS
This word can be spelt with or without a hyphen.
  • Question 9

Use one of the prefixes from the first five questions to the word asthma to make a new word that means 'medicine used to treat asthma'.

 

Write the new word in the answer box.

CORRECT ANSWER
anti-asthma
antiasthma
EDDIE SAYS
This word is usually spelt with a hyphen because the two vowels look strange together otherwise.
  • Question 10

Use one of the prefixes from the first five questions to the word locked to make a new word that means 'joined together closely'.

 

Write the new word in the answer box.

CORRECT ANSWER
interlocked
---- OR ----

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