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Understand Verb Prefixes: De- 1

In this worksheet, students consider the meaning of words with the prefix de- and practise spelling them.

'Understand Verb Prefixes: De- 1' worksheet

Key stage:  KS 2

Curriculum topic:   Writing: Transcription

Curriculum subtopic:   Use Prefixes and Suffixes

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

A prefix is a letter or letters added to the beginning of a word to make a new word. When the prefix de- is added to verbs it generally has the meaning of removing something or taking it away.

For example:

The fridge was all iced up so Dad defrosted it.

Fridge Freezer

In this worksheet you can practise forming verbs with the prefix de-.

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

clutter

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

rail

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

mist

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

bug

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

forest

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

throne

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

select

Sometimes the prefix de- means to lower or reduce something rather than remove it altogether. Add de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

value

In some cases the letters de- at the beginning of a word are not a prefix. For example, to deliver does not mean to take someone's liver out!

 

Look at the following list. Only two of the words are verbs with the prefix de-. Tick them.

deaf

declassify

desk

deseed

denture

Again, only two of the words in the list are verbs with the prefix de-. Tick them.

dentist

deckchair

dehumidify

delist

depend

  • Question 1

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

clutter

CORRECT ANSWER
declutter
EDDIE SAYS
Great effort! To declutter a room means to tidy it up by putting things away or getting rid of them.
  • Question 2

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

rail

CORRECT ANSWER
derail
EDDIE SAYS
If a train is derailed it means that it has come off the tracks. Good job!
  • Question 3

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

mist

CORRECT ANSWER
demist
EDDIE SAYS
You've got this! To demist a window means to remove condensation, or water droplets, from it.
  • Question 4

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

bug

CORRECT ANSWER
debug
EDDIE SAYS
Have you got the hang of this now? To debug a computer means to find and remove errors from either the hardware or the software.
  • Question 5

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

forest

CORRECT ANSWER
deforest
EDDIE SAYS
To deforest an area means to take away the trees. Keep it up super star!
  • Question 6

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

throne

CORRECT ANSWER
dethrone
EDDIE SAYS
Did you get it right? To dethrone a king or queen means to remove them from power.
  • Question 7

Add the prefix de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

select

CORRECT ANSWER
deselect
EDDIE SAYS
In computing, to deselect means to turn off (or untick) a particular feature. The word is also used in politics when a party decides it does not want an MP to stand in the next election. That MP is then deselected.
  • Question 8

Sometimes the prefix de- means to lower or reduce something rather than remove it altogether. Add de- to the following word to make a new verb and write it in the answer box. Think about what the new verb means.

 

value

CORRECT ANSWER
devalue
EDDIE SAYS
High five! To devalue something means to reduce how much it is worth.
  • Question 9

In some cases the letters de- at the beginning of a word are not a prefix. For example, to deliver does not mean to take someone's liver out!

 

Look at the following list. Only two of the words are verbs with the prefix de-. Tick them.

CORRECT ANSWER
declassify
deseed
EDDIE SAYS
Amazing effort! To declassify documents means to officially declare that they are no longer secret. To deseed something means to take the seeds out of it.
  • Question 10

Again, only two of the words in the list are verbs with the prefix de-. Tick them.

CORRECT ANSWER
dehumidify
delist
EDDIE SAYS
If the air is humid it means that it contains moisture, so to dehumidify means to remove moisture from the air. To delist means to remove something from a list. Fantastic effort!
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