Prefixes and Suffixes — Answer Key
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
The word "unhappy" means full of happiness.
Corrected: The word "unhappy" means not happy.
The corrected sentence is: "The word "unhappy" means not happy.". The original sentence "The word "unhappy" means full of happiness." contained an error that needed to be fixed.
2. Fix the sentence:
Adding the suffix -less to "care" makes a word that means full of care.
Corrected: Adding the suffix -less to "care" makes a word that means without care.
The corrected sentence is: "Adding the suffix -less to "care" makes a word that means without care.". The original sentence "Adding the suffix -less to "care" makes a word that means full of care." contained an error that needed to be fixed.
3. Fix the sentence:
The prefix re- in "rebuild" means before building.
Corrected: The prefix re- in "rebuild" means to build again.
The corrected sentence is: "The prefix re- in "rebuild" means to build again.". The original sentence "The prefix re- in "rebuild" means before building." contained an error that needed to be fixed.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The prefix un- means not.
The prefix un- means 'not' or 'opposite of.' For example, unhappy means not happy.
2. Adding -ful to "hope" makes the word hopeful.
The suffix -ful means 'full of.' Adding -ful to hope makes hopeful, meaning full of hope.
3. The word "rewrite" means to write again.
The prefix re- means 'again.' Rewrite means to write again.
4. Adding -less to "fear" makes the word fearless.
The suffix -less means 'without.' Adding -less to fear makes fearless, meaning without fear.
Part C: True or False?
Read each statement. Circle True or False.
1. The prefix dis- means the opposite, as in "disagree."
True False
The prefix un- does mean 'not.' For example, unkind means not kind.
2. The suffix -ness means without, as in "darkness."
True False
The suffix -ful means 'full of,' not 'without.' The suffix -less means 'without.'
3. The word "preview" means to view before.
True False
The prefix re- means 'again,' so replay means to play again.