By the end of this activity you will be able to: Add prefixes to words to change the meaning.

Use these common prefixes to change the meaning of the words below, then click on the “Finished” button to obtain your score out of ten.

un, de, dis, re, pre

For example, the meaning of the word ‘well’ is changed by adding the prefix un. The new word, unwell, now means the opposite – not well. “I am unwell” is the same as saying “I am not well”.