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Revise Root Words: Adding Prefixes 2

In this worksheet, students choose the correct prefix to change a word into its antonym (opposite).

'Revise Root Words: Adding Prefixes 2' worksheet

Key stage:  KS 2

Year:  Year 4 English worksheets

Curriculum topic:   Reading: Word Reading

Curriculum subtopic:   Root Word Awareness

Difficulty level:  

Worksheet Overview


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.


There are many different prefixes that change a word into its antonym (opposite).

lucky / unlucky

appear / disappear

visible / invisible

possible / impossible

legal / illegal


In this activity, you can practise choosing the correct prefix to create antonyms. You may find a dictionary helpful if you are not sure which one is correct.


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