Learn how to use prefixes, suffixes,
and base words to find the meanings
of words.
Objectives
1- Students
will learn to
identify base
words.
2- They will
learn the
meaning of
various
prefixes and
suffixes.
3-They will
learn how
these
prefixes
and suffixes
change the
meanings
of base
Root….
Improvement •
Root….
careless •
care
improve
Root….
foolish • fool
Root….
childish • child
Root….
unhelpful • help
Root….
motivation •
motive
Prefixes –( again )
What is appear?
re
appear
(Not) Prefixes
These prefixes indicate the word not:
il legal—not legal
………
im
…….possible—not
possible
in
………..active—not
active
ir
...….regular—not
regular
non
….......sense—no
sense
un
…....…happy
Behavior Prefixes:
Mis—wrongly—misunderstand—wrongly
understand
Mis—badly—misbehave—badly behave
Pre—before—prefix—before the word
Noun
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NOUN
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Noun
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Noun
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Noun
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friends
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=(v.)
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verb
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verb
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quickly
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Verb
Adjective
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Noun
Adjective
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Adjective
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Related
to
Adjective
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• The suffix ly means in a •
certain way.(Adverb)
• Quickly means in a quick•
way.
• Loudly means in a loud •
way.
• What does suddenly
•
mean?
The suffix ful means
full of.( Adjective)
Colorful means full of
color.
Playful means full of
play.
What does thankful
mean?
The Objectives :
1- Use knowledge of prefixes to help
determine the meaning of words
2- Understand sound /
spelling correspondences
Mono / Uni=
one
Monolingual
Using only one language
Monologue
A long speech by one person
Mono / uni= one
Monopoly
The control of an industry by one company.
(monopolize)
Monosyllable
A word that has only one syllable.
Unicorn
One horn ( animal).
Uni/ one
Unilateral
Done by one of the sides.
Unison
In one sound / together.
Tri/ three
Triangle
A shape that has three sides and three angles.
Trilogy
A group of three books.
Triple
Made of three parts.
Multi/ many
Multimedia
Involving several different methods of
communication.
Multinational
Involving many countries.
Multiple
Having many parts.
Semi/ half
Semicircle
One half of a circle.
Semifinal
One of the 2 matches after which the winners
play in the final.
Bi/two
Bilingual
Using 2 languages.
Binoculars
An instrument with 2 lenses which you look
through to make distant objects seem
nearer.
Bigamy
Being married to 2 women.
Inter/ among or between
Interaction
Co-operation or mixing.
Intercontinental
Between continents.
Intermediate
Coming between 2 people or things in a level.
Fill in from the list
Monopoly, unilateral, unison, bilingual, triple,
semi-finals, multinational, intercontinental
• The government is determined to protect its
tobacco.…………
• -The party leader has actually declared her
support for ..………………
• -Try to sing in .nac uoy fi.……………
Monopoly, unilateral, unison, bilingual, triple,
semi-finals, multinational, intercontinental
1- She works as a rof yraterces.………
.ynapmoc ecnarusni na
-2 Her trainer is a ……………Olympic
champion.
• 3- The UN has sent a gnipeek-ecaep.……
ecrof
• 4 -There are many …… …flights today.
• 5- Who's in the?.………… ……
Fill in from the list
Monopoly, unilateral, unison, bilingual, triple,
semi-finals, multinational, intercontinental
• 1- The government is determined to protect
its tobacco ……monopoly
• 2-The party leader has actually declared her
support for ………unilateral .
• 3-Try to sing in ……unison uoy fi.………
.nac
Monopoly, unilateral, unison, bilingual, triple,
semi-finals, multinational, intercontinental
1-She works as a ……bilingual yraterces.… for an
insurance company.
2-Her trainer is a ……triple……… Olympic
champion.
3-The UN has sent a.... multinational. gnipeek -ecaep.
ecrof
4-There are many …intercontinental flights today.
5 -Who's in the ……semi-finals.………… ?
Name :…………………………………………………………
Vocabulary test
1-
2-
page 95 – 96 Ss’ book
a-To make bigger
b- to make smaller
c- to make similar
d- to make better
The word “inspect” is a\an………….……..
b-noun
c-adjective
d-adverb
The suffix “ify” in the word “magnify” means….……..
a-to become
b-to act
c-to relate
4-
……
The opposite meaning of the word { magnify }
a-Verb
3-
Class :
d-to have
The word “glue” line(1) page 95 is a\an………………….
a-
Verb
b- noun
c- adjective
d- adverb
5-The word “glue” line(2) page 95 is a\an………………
b5-
b- noun
c- adjective
d- adverb
The root of the word “ carefully’’ is …………………..
a-
6-
Verb
Careful
b- caring
c- care
d- cares
The prefix “ mon” in the word “ monaural” means……………………..
a-
one
b- two
c- three
d- four
7- The word “customary” in page 95 is a\an……………
a- Verb
b- noun
c- adjective
d- adverb
8- the word “place” is a\an…………….
a- Verb
b- noun
c- adjective
d- adverb
9- the root of the word “preferably” is………..
a- preference
b- preferable
c-prefer
d-preferred
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A base word is a word in its simplest form. A
base word has nothing added to it.
Examples:
Do
Heat
Write
Read
Pack
Base Words
Write the base words.
Played
Running
Reheat
Quickly
Unhappy
Prefixes are added to the beginning of a
base word. They change the meaning of the
base word.
Un + happy = unhappy
Re + do = redo
Prefixes
• The prefix re means
again.
• Reread means to read
again.
• Rewrite means to
write again.
• What does reheat
mean?
• The prefix un means
not or the opposite of.
• Uncomfortable means
not comfortable.
• Unpack means the
opposite of pack.
• What does unclear
mean?
Prefixes
Add a prefix to the beginning of each word to make a new
word. Draw a line form the word to its meaning.
•
•
•
•
•
____do
____happy
____clear
____read
____pack
•
•
•
•
•
The opposite of pack
Do again
Opposite of clear
Read again
Not happy
Suffixes are added to the end of
a base word. They change the
meaning of the base word.
( adjective) wonder + ful
= ( full of) wonderful
rest + ful = restful
Suffixes
Add a suffix to the end of each base word. Draw a
line to its new meaning.
•
•
•
•
•
Loud____
Color____
Wonder____
Sudden_____
Play____
•
•
•
•
•
In a loud way
Full of play
Full of wonder
In a sudden way
Full of color
Match each word with its definition.
healthful
slowly
unlock
reheat
sadly
uncomfortable
reread
in a sad way
to heat again
the opposite of lock
to read again
full of health
in a slow way
not comfortable
A prefix is a word
part added to the
beginning of a root
word.
A prefix changes
the meaning of a
word.
A suffix is a word
part added to the
end of a root word.
A suffix also
changes the
meaning of a
word.
Prefixes We
Know
Examples
im- not
improper
in- not
incomplete
bi- two
bicycle
non- not
nonstop
dis- not or
opposite of
disagree
Suffixes We
Know
Examples
-er one who
farmer
-or one who
actor
-less without
useless
-able, -ible can
be
buildable
reversible
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.”The suufix “less” means
……………..
(
“That’s nonsense,” said
his brother Jake. “You can
use my bike.”
The prefix “non” means
( before – against – not)
“Gee, thanks,” said
Randy, hopping on the
bike.
“See, I can be likable!”
said Jake with a grin.The
suffix “able” means ……….
( relating to- capable of
being- made of)