Prefix & Suffix

2. •Prefixes are letters
that are added to
the beginning of a
word.

4. For example
preschool
•The prefix is pre-
•The prefix pre means “before”
so the word preschool means
“before school”

5. A prefix
changes the
meaning of
a word.

6. Prefix Root Word New Word
im-
(not)
polite impolite
(not polite)
in-
(not)
complete incomplete
(not complete)
bi-
(two)
cycle bicycle
(two wheels)
non-
(not)
stop nonstop
(without stopping)
dis-
(not or opposite of)
agree disagree
(not agreeing)
re-
(again)
use reuse
(to use again)

7. •Suffixes are
letters added to
the end of a
word.

8. •A suffix also
changes the
meaning of a
word.

10. For example
careless
•The suffix is –less
•The suffix –less means
without so the word careless
means “without care”

11. Root Word Suffix New Word
home -less
(without)
homeless
(without a home)
cheer -ful
(full of)
cheerful
(full of cheer)
shyness
-ness
(state or quality)
shyness
(condition of being shy)

12. Root Word Suffix New Word
farm -er
(someone who)
farmer
(someone who
farms)
act -or
(someone who)
actor
(someone who
acts)
bend
-able
(can be)
bendable
(can be bent)
reverse
-ible
(can be)
reversible
(can be reversed)

13. Root Words
•A root word is a real word.
•We make new words
from root words by adding
prefixes and suffixes.

14. •Sometimes the root
word is also called
the base word

(That is a USEful piece
of information!!)

15. For example
•In the word unhappy
the root word is happy
•In the word eventful
the root word is event

16. What’s the root word?
•wildly
•beautiful
•sleepily
•uncomfortable
•incomplete

17. What’s the root word?
•wildly
•beautiful
•sleepily
•uncomfortable
•incomplete
•wild
•beauty
•sleepy
•comfortable
•complete

18. Can you think of
any words with
prefixes and
suffixes?

19. Practice Makes Perfect!!
•http://www.funenglishgames.com/grammargames/prefixsuffix.html
•http://www.fekids.com/kln/noflash.html
•http://www.ezschool.com/Games/PrefixSuffix.html
•http://www.tv411.org/lessons/cfm/vocabulary.cfm?
str=vocabulary&num=1&act=4&que=1
•http://www.scholastic.com/kids/homework/spell_it_out.htm