1. EQ: What is the difference between a prefix, suffix, and root word?
Prefixes
and
Suffixes
EQ: What is the difference between a prefix, suffix, and root word?
Created by Vanessa Pelfrey

2. Before We Start…
Affix: group of letters added to the beginning or end of a word.
We call these “group of letters”
Prefixes and Suffixes!!!!

3. To help YOU figure out the MEANING of an unknown word!
Why Do I Need This?
To help YOU figure out the MEANING of an unknown word!

4. Semicircle (half) Bicycle (two)
Prefixes are letters that are added to the beginning of a word.
Each Prefix has its own meaning.
Semicircle (half)
Bicycle (two)

6. A prefix changes the meaning of a word.

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

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

9. Identify the Prefix …
Improper
Incomplete
Bicycle
Nonstop
Disagree

10. Disagree Dis-not/opp- osite of
Identify the Prefix …
Improper Im-not
Incomplete In-not
Bicycle Bi-two
Nonstop Non-not
Disagree Dis-not/opp-
osite of

11. Suffixes are letters added to the end of a word.
Each Suffix has its own meaning.

12. A suffix also changes the meaning of a word.

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

15. (condition of being shy)
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)
(condition of being shy)

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

17. Identify the Suffix…
Farmer
Actor
Useless
Buildable
Reversible

18. Identify the Suffix… Farmer Actor Useless Buildable Reversible
-er ( one who)
- or (one who)
- less (without)
-able (can be)
-ible (can be)

19. A root word is the word with no prefix/suffix added to it.
Root Words
A root word is the word with
no prefix/suffix added to it.
We make new words from root words by adding prefixes and suffixes.

20. Sometimes the root word is also called the base word
(That is a USEful piece of information!!)

21. Sometimes you can see the entire word hidden inside, and other times it may be missing a letter.
Ex) Beloved
To look for the root word, look for the “hidden” word.
Ex) Uncomfortable

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

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

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

25. IMPORTANT
Not every word is going to have a Prefix!!!
Not every word is going to have a Suffix!

26. CRCT Questions: What is the root word in dishonestly? dis honest ly
What is the suffix in homeless?
A.homeless
B.home
C. less
D.There is no suffix

27. 2. The word "distracted" is derived from the Latin root "tract," meaning "to draw." Based on this information, the reader can tell the literal meaning of "to distract" is Ex) I got distracted during class, that I forgot to write down my HW. What does the word “distracted” mean? A to be unhappy with B to draw poorly C to draw away D to be confused

28. If the root word "ped" means feet, what does the term "biped" mean
If the root word "ped" means feet, what does the term "biped" mean? - Monkeys are biped animals. A two B having two feet C feet D having three feet

29. Like the baobab, the kapok has malodorous flowers that attract bats
Like the baobab, the kapok has malodorous flowers that attract bats. The prefix mal- means "bad." What does the word malodorous mean? A. stinky B strange C prickly D poisonous

30. Practice Makes Perfect!!