1. Objective: I can determine the effect affixes have on root words.
Key Vocabulary
affix
prefix
suffix
root word
effect
Essential Questions
1. What is an affix?
2. Define prefix and suffix.
3. How do affixes change root words?

2. Base Words A root word is a word in its simplest form.
A root word has nothing added to it.
Examples:
Part
Ground
Write
Read
Quiet

3. Prefixes Prefixes are added to the beginning of a root word.
They change the meaning of the root word.
Examples:
Un + happy = unhappy
Re + do = redo

4. Write the root words on the back of your notetaker.
Base Words
Write the root words on the back of your notetaker.
reheat
unhappy
antisocial
coworker

5. Prefix Meanings de- = from, down inter- = between under- = beneath
anti- = against
mono- = one
co- = together, with
re- = again

6. de- , inter- , under- , anti - , mono- , co- , re-
Prefixes Add a prefix to the beginning of each word to make a new word. Connect the new word to its meaning.
de- , inter- , under- , anti - , mono- , co- , re-
operate a craft together
beneath the surface of the earth
request or demand again
break between
one sound
step down
1. ____pilot
2. ____ground
3. ____claim
4. ____rupt
5. ____tone
6. ____grade

7. de- , inter- , under- , anti - , mono- , co- , re-
Prefixes Add a prefix to the beginning of each word to make a new word. Connect the new word to its meaning.
de- , inter- , under- , anti - , mono- , co- , re-
operate a craft together
beneath the surface of the earth
request or demand again
break between
one sound
step down
1. ___co_pilot
2. _under___ground
3. __re__claim
4. _inter___rupt
5. __mono__tone
6. __de__grade

8. Suffixes Suffixes are added to the end of a root word.
They change the root word’s part of speech.
They can change the meaning of the root word.
wonder(n) + ful = wonderful(adj)
quick(v) + ly = quickly(adv)

9. Suffix Meanings -ly = like or manner of -ful = full of
-ed = in the past
-able = able to, can do
-en = made of
-fic = making, causing

10. Suffixes Add a suffix to the end of each root word
Suffixes Add a suffix to the end of each root word. Draw a line to its new meaning.
-ly , -ful , -ed , -able , -en , -fic
1. help____
2. scienti____
3. wood____
4. part____
5. quick____
6. agree____
full of aid
causing or making of science
made of tree fiber
came away
in a fast manner
can be of like minds

11. Suffixes Add a suffix to the end of each root word
Suffixes Add a suffix to the end of each root word. Draw a line to its new meaning.
-ly , -ful , -ed , -able , -en , -fic
1. helpful____
2. scientific___
3. wooden____
4. parted____
5. quickly____
6. agreeable____
full of aid
causing or making of science
made of tree fiber
came away
in a fast manner
can be of like minds

12. Match each word with its definition.
1. healthful
a. made of silk
2. slowly
b. To heat again
3. unlock
c. the opposite of lock
4. reheat
d. to read again
5. silken
e. full of health
6. uncomfortable
f. in a slow way
7. reread
g. not comfortable

13. Match each word with its definition.
1. healthful
a. made of silk
2. slowly
b. To heat again
3. unlock
c. the opposite of lock
4. reheat
d. to read again
5. silken
e. full of health
6. uncomfortable
f. in a slow way
7. reread
g. not comfortable

14. Complete your Notetaker
Now, you should be able to define your Key Vocabulary
Answer the Essential Questions

15. http://www.youtube.com/watch?v=Z OJrjNR7ZZM
Prefix Suffix Song
OJrjNR7ZZM

16. Flash Cards

17. Objective: I can determine the effect affixes have on root words.
Key Vocabulary
affix
prefix
suffix
root word
effect
Essential Questions
1. What is an affix?
2. Define prefix and suffix.
3. How do affixes change root words?

18. Prefixes RE- After Non- not Pre- Before Trans- Across Ful- Full of
Sub – Under
Mono - One
Anti – Against
Under- Under
Dis – Opposite or not
De- Opposite
Re – Again
Semi – Half
Bi - two

19. Suffixes Ty – state of Ness – State of or condition of Less – Without
Es – More than one
Ing – Changes a word to a verb
Able – Can be done
Ious – Possessing the quality of
Est – Comaparative
Ness – State of or condition of
Tion – Act or process
Ly – characterisitc of
Y – characterized by
Ful – full of
Ed – makes a word a past tense verb