1. Prefixes
and
Suffixes

2. Base/Root Words A base or root word is a word in its simplest form. A
base word has nothing added to it.
Examples: Do
Heat
Write
Read
Pack

3. Root Words Played Running Reheat Quickly Unhappy
Pick out the root words.
Played
Running
Reheat
Quickly
Unhappy

4. Prefixes and suffixes change the meaning of a word.

5. A prefix is a word part added to the beginning of a root word.
Examples:
Un + happy= unhappy
Re + do = redo

6. Prefixes The prefix un means not or the opposite of.
Uncomfortable means not comfortable.
Unpack means the opposite of pack.
What does unclear mean?
The prefix re means again.
Reread means to read again.
Rewrite means to write again.
What does reheat mean?

7. A suffix is a word part added to the end of a root word.
Examples:
Wonder + ful= wonderful
Happy + ness= happiness

8. Suffixes The suffix ly means in a certain way.
Quickly means in a quick way.
Loudly means in a loud way.
What does suddenly mean?
The suffix ful means full of.
Colorful means full of color.
Playful means full of play.
What does thankful mean?

9. Prefixes We Know
Examples
im- not
in- not
bi- two
non- not
dis- not or opposite of
improper
incomplete
bicycle
nonstop
disagree

10. Suffixes We Know
Examples
-er one who
-or one who
-less without
-able, -ible can be
farmer
actor
useless
buildable
reversible

11. Randy’s bike tire was flat
Randy’s bike tire was flat. He found the pump because the garage was in order. “There is hope,” said Randy. “I’ll make it to the soccer game on time.”

12. Randy’s bike tire was flat
Randy’s bike tire was flat. He couldn’t find the pump because the garage was in disorder. “It’s hopeless,” said Randy. “I’ll never make it to the soccer game on time.”