Understanding Prefixes: dis-, mis-, un-, Study notes of English Language

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Prefixes dis-, mis-, un-

Success Criteria

Aim

• I can add the prefixes dis-, mis-, un- to words to create new words.
• I can explain what a prefix is.
• I can explain how adding the prefixes dis-, mis-, un- changes the meaning of words.
• I can create and spell new words using the prefixes dis-, mis-, un-.
• I can spell a range of words which have the prefixes dis-, mis-, un-.

What Is a Prefix?

It is important to understand the definitions of prefixes because they help us figure out the meanings of any new words we come across. Think about the different words which can be created through adding the prefix dis- , like disconnect. Make a list on your whiteboard.

dis

What Is a Prefix?

What does the prefix dis- mean? It means ‘ not ’ or ‘ the opposite of ’.

dislike

disconnect

disobey

Do not like something.

Break a connection so it is not connected any more. Do not follow a command.

What Is a Prefix?

What does the prefix mis- mean? It means ‘ wrong ’ or ‘ false ’.

mistake

misread

misplace

Do something wrong. Read something wrongly. Put something in the wrong place.

What Is a Prefix?

Think about the different words

which can be created through

adding the prefix un- , like

uncover.

Make a list on your whiteboard.

un

Prefix Sort

Use all the information you have learned and practised about the prefixes dis- , mis- , un-. Work on your own to complete the Prefix Sort Activity Sheet.

connect

dis

stake

un

tie

mis

Prefix Pairs

Match the prefix to a root word to create a new word , these must make a real word to make a pair.