Transcript A Prefix is - Cloudfront.net

Vocabulary and Concept
Development
EDI
Standard:
1.4 Students will identify
common roots and affixes
derived from Greek and Latin
and use this knowledge to
analyze the meaning of complex
words (e.g., international).
Learning Objective
• I will know affixes derived from Greek
and Latin and use this knowledge to
analyze the meaning of complex words.
Activating Prior Knowledge
• Have you heard the word combine?
• The word connect has the prefix con-.
• Can you see the prefix re- in review?
• What does review mean?
Concept Development
•
Prefix: A word element that is placed at the beginning of the
root or word stem.
Prefix: Part of a word that is placed at the
beginning of the root or word stem.
•
Concept Development
•
com- or con-: Latin prefix meaning with or together: also
used as an intensive.
re- : Latin prefix meaning back or returning to a previous
state; again, anew, or over again.
• com- or con-: Prefix from Latin meaning
“together” or “with.”
• re- : Prefix from Latin meaning “back” or
“again.”
Tell your partner
what the
prefixes com- or
con- mean.
The prefixes
com- and concome from Latin
meaning
“together” or
“with.”
Tell your
partner what
the prefix
re- means.
The prefix recomes from
Latin and it
means “back” or
“again.”
Read the following prefixes:
comtogether, with
Latin
contogether, with
Latin
re back, again
Latin
Importance
• Have you ever been confused about a
word and have not been able to figure
out its meaning?
• Have you ever had to use knowledge of
word meaning to figure out the meaning
of a new or difficult word?
Skill Development
• Read these words:
committee
communicate
conjunction
converse
reaction
reelect
reflect
relate
and, but,
or, …
• Read these definitions / synonyms:
 a response; the production of a
chemical change in substances
 a group of people who work
together on some matter
 to chose and elect again; to vote
into office for another term
 to make known, to share
information together
 to bend or throw back light or sound;
to think back about, consider carefully
 to talk together
 to have a connection with; to tell
 a joining word; the part of speech
that joins other words or groups of
words; joining together
• Match the words with the correct definition or synonym:
 a response; the production of a
chemical change in substances
committee
communicate
conjunction
converse
 a group of people who work
together on some matter
 to chose and elect again; to vote
into office for another term
 to make known, to share
information together
reaction
 to bend or throw back light or sound;
to think back about, consider carefully
reelect
 to talk together
reflect
 to have a connection with; to tell
relate
 a joining word; the part of speech
that joins other words or groups of
words; joining together
Answer these questions:
1.
2.
3.
4.
5.
6.
What do the prefixes com- or con- mean?
What does the prefix semi-mean?
What does combine mean?
What does conductor mean?
What does return mean?
What does rewrite mean?
Guided Practice
Identify the prefixes.
•
•
•
•
•
•
•
•
relate
committee
reflect
communicate
reelect
conjunction
reaction
converse
Meaning in Context
Use the words in the box to fill in the blanks in the following paragraph.
related
conversed
Committee
reaction
reelected
Committee
Each member of the Science Fair (1) ________________
had a different idea about how to arrange the displays. Danya,
who had attended last year’s fair, (2) _________________ how
several projects got broken when people bumped into the
tables. Jason and Allison became irritated with each other when
they (3) ______________ about where to put the tables. Soon
they were having an argument. When Zoe, the chairperson,
tried to get them to cooperate, their (4) ________________
was to argue with her, too. Although she finally restored order,
Zoe hoped she would not be (5) __________________ to the
committee when the science fair came around next year.
• A Prefix is –
Closure
• Prefix : A word element that is placed at the beginning of
the root or word stem.
• The prefixes com- and con- mean –
• The prefixes com- and con- come from Latin
meaning “together” or “with.”
• The prefix re- means –
• The prefix re- comes from Latin and it means
“together” or “with.”
Independent Practice
Match the bolded word with the best synonym:
1. using a conjunction in a sentence
a. noun
b. joining word
c. verb
2. to relate to
a. to be done
c. repeat
3. reelect the president
a. choose again
b. connect
b. side with
4. communicate information
a. make known
b. decide on
5. to reflect upon
a. dream
b. judge
c. vote
c. hide
c. consider
Extension
The prefix com- / con- (together, with) is sometimes spelled other ways. Look
at col- in collect (to gather together). Look at co- in cooperate (to work with).
Look at cor- in correspond (to communicate with by letters). All these spellings
of the prefix carry the meaning “together, with.”
Sort the following words according to the spelling of the prefix by listing each
one under com-, con-, or other.
concert
collision
companion
collage
com-
______________
______________
______________
correspondence
congruent
connection
con-
______________
______________
______________
coordinate
company
community
other
______________
______________
______________
______________