Name ______________________
Learning Objective
Today, we will use prefixes to analyze1 the meaning of words.
1
carefully look at
CFU
What are we going to do today?
What does analyze mean? Analyze means ______________________________.
Activate (or provide) Prior Knowledge
Circle the letters at the beginning of the words that are the same.
1. redo
2. rewrite
CFU
Students, you already know that a letter or group of letters added to words gives the words a new meaning. These are called prefixes.
Today, we will use prefixes to analyze the meaning of words.
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4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Concept Development
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
• A prefix has a meaning of its own.
A base word is a word in its basic form, without a prefix or suffix.
Prefix &
Meaning
Word with Prefix &
Definition
Using the prefix in a sentence
un(not)
un + able = not able
Lee was unable to finish his report because he got sick.
un + kind = not kind
Sarah’s unkind words hurt my feelings.
re(again)
re + write = write again
The teacher asked Martha to rewrite the report due
to her messy handwriting.
re + do = do again
Tom had to redo the math problem on the board.
Not an example of a prefix:
uncle
un- is not a prefix because cle is not a word.
reach
re- is not a prefix because ach is not a word.
CFU
What is the difference between the word redo and the word reach?
Which word has a prefix? How do you know?
A real
B rerun
In your own words, what is a prefix? A prefix is_________________.
DataWORKS Educational Research
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©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Skill Development/Guided Practice
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
•
A prefix has a meaning of its own.
A base word is a word in its basic form, without a prefix or suffix.
Prefix
Use prefixes to analyze the meaning of words.
hyperStep #1: Read the sentence, paying attention to the underlined word.
intera. Identify3 the prefix in the underlined word. (circle)
b. Write the prefix and its meaning.
dec. Identify the clues that help know the meaning of the underlined word. (underline)
Step #2: Select4 the best definition for the underlined word. (circle)
3 find
(synonym)
4
Meaning
over, extreme
between, among
remove
choose (synonym)
1. The boy was so hyperactive he could not sit still.
over, extreme
hyperPrefix: ____________
means_______________
A a person who is sluggish
B a person who is lazy
C a person who is always moving
2. The editor was hypercritical pointing our every mistake in the
newspaper.
Prefix:____________
hypermeans_______________
over, extreme
A a person who is never critical
B a person who doesn’t make mistakes
C a person who is extremely critical
3. A cracked window will devalue the price of the car.
4. The international airport has flights to all different countries.
Prefix: ____________
means________________
remove
deA to have a clean car
B to remove value from something
C to buy a new car
Prefix: ____________
means________________
between, among
interA to be in one country
B to go between different countries
C to leave a country
5. We asked Dad to debone the fish before we ate it.
6. The new interstate highway connects California and Arizona.
Prefix: ____________
means______________
remove
deA cook the bones of the fish
B a bone shaped as a D
C to remove a bone from something
interPrefix: ____________
means______________
between, among
A two different highways
B a highway that goes between different states
C a highway that does not end
CFU
(#1a) How did I/you identify the prefix in the underlined word?
(#1c) How did I/you identify the clues that help know the meaning of the underlined word?
DataWORKS Educational Research
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©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Relevance
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
• A prefix has a meaning of its own.
A base word is a word in its basic form, without a prefix or suffix.
1. Using prefixes to analyze the meaning of words will help you figure out the meaning
of more complex words.
reteach – teach again
pretest – test before
posttest – test after
2. Using prefixes to analyze the meaning of words will help you do well on tests.
Sample Test Question:
1. Read this sentence.
Anna and her friends enjoyed the previews at
the movie theater.
In this sentence, the prefix pre- tells us that
A
B
C
D
they liked the movie.
they went somewhere before the movie.
they viewed part of a movie before it was out
they enjoyed viewing nice clothes
CFU
Does anyone else have another reason why it is relevant to use prefixes to analyze the meaning of words? (pair-share) Why is it
relevant to use prefixes to analyze the meaning of words? You may give me one of my reasons or one of your own. Which reason is
more relevant to you? Why?
DataWORKS Educational Research
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©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
•
A prefix has a meaning of its own.
A base word is a word in its basic form, without a prefix or suffix.
Skill Closure
Use prefixes to analyze the meaning of words.
Prefix
hyperde-
Step #1: Read the sentence, paying attention to the underlined word.
a. Identify the prefix in the underlined word. (circle)
b. Write the prefix and its meaning.
c. Identify the clues that help know the meaning of the underlined word. (underline)
Step #2: Select the best definition for the underlined word. (circle)
Meaning
over, extreme
remove
1. Sue is very easily upset and hypersensitive
when people make fun of her.
2. He had to defrost the window so he could see
through the snow.
over, extreme
Prefix: ____________
means______________
hyper-
Prefix: ____________
means______________
remove
de-
A not sensitive
B very strong
C extremely sensitive
A to remove the frost
B to replace the frost
C to make new frost
Constructed Response Closure
Georgina chose the letter B below for the definition of derail. Was she correct? Explain your answer.
1. The train derailed last night, and there were a total of six cars off the track.
A drive a train
B remove from a rail
C remove track
Summary Closure
What did you learn today about using prefixes to analyze the meaning of words?
Day 1 __________________________________________________________________________________
Day 2 __________________________________________________________________________________
DataWORKS Educational Research
(800) 495-1550 • www.dataworks-ed.com
©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Independent Practice
Name________________________________
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
•
A prefix has a meaning of its own.
Prefix
A base word is a word in its basic form, without a prefix or suffix.
biUse prefixes to analyze the meaning of words.
semiStep #1: Read the sentence, paying attention to the underlined word.
suba. Identify the prefix in the underlined word. (circle)
b. Write the prefix and its meaning.
c. Identify the clues that help know the meaning of the underlined word. (underline)
Step #2: Select the best definition for the underlined word. (circle)
Meaning
two, twice
half
under
1. Each year, my favorite store has biannual sales with great
prices.
2. America’s first biplane was built and flown by the Wright
brothers.
Prefix: __________means____________
two, twice
biA half of the time
B twice a year
C once a year
two, twice
Prefix: __________
bimeans ____________
A two planes
B a plane with two wings
C planes flying under something
3. Our semiannual report cards are sent home in the middle
of the school year.
4. The subway is a fast and a great source for traveling in a big
city like New York.
Prefix: __________
means ____________
semihalf
A within the year
B to do a year again
C half of a year
Prefix: __________
means ____________
under
subA a long passageway
B under the train
C an underground passageway
5. Your eyebrow is shaped like a semicircle.
6. The subzero freezer kept the food frozen.
Prefix: __________
semi- means ____________
half
A to make a circle again
B to get out of a circle
C half of a circle
Prefix: __________
means ____________
under
subA under zero
B to frost over
C to remove zero
DataWORKS Educational Research
(800) 495-1550 • www.dataworks-ed.com
©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Periodic Review 1
Name________________________________
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
•
A prefix has a meaning of its own.
A base word is a word in its basic form, without a prefix or suffix.
Prefix
Use prefixes to analyze the meaning of words.
Step #1: Read the sentence, paying attention to the underlined word.
a. Identify the prefix in the underlined word. (circle)
b. Write the prefix and its meaning.
c. Identify the clues that help know the meaning of the underlined word. (underline)
Step #2: Select the best definition for the underlined word. (circle)
1. My sister is unable to tie her shoes because no one has
showed her how.
Prefix: __________
means ____________
unnot
A not able to do something
B able to do something
C to do something again
3. The 3D alien move was unreal; everything was completely
fake.
Prefix: __________
means ____________
unnot
A against a person who is fake
B to be real
C not real or actual
antiimun-
Meaning
opposing or against
not
not
2. The anticrime program was keeping the city safe.
antiPrefix: __________
means ____________________
opposing or against
A against crime
B not locked
C to lock again
4. She was very antisocial and would not talk to anyone.
Prefix: __________
means ______________________
opposing or against
antiA willing to talk to everyone
B always talking to other people
C against talking to other people
5. The water was impure because of the poisons that were
being released into the river.
6. The boy was very impolite by not waiting his turn to talk.
not
imPrefix: __________
means ____________
A not pure water
B water that is pure
C water against being pure
imnot
Prefix: __________
means ____________
A a boy talking nicely
B against being polite
C not polite
DataWORKS Educational Research
(800) 495-1550 • www.dataworks-ed.com
©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Periodic Review 2
Name________________________________
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
•
A prefix has a meaning of its own.
Prefix
A base word is a word in its basic form, without a prefix or suffix.
disUse prefixes to analyze the meaning of words.
postStep #1: Read the sentence, paying attention to the underlined word.
undera. Identify the prefix in the underlined word. (circle)
b. Write the prefix and its meaning.
c. Identify the clues that help know the meaning of the underlined word. (underline)
Step #2: Select the best definition for the underlined word. (circle)
1. Please postdate the delivery package for next week.
Prefix: __________
means _____________________
postafter in time, later
A to put a date before
B to put a date of a later time
C to remove a date
3. I disapprove of our choice for lunch because I don’t care for
the food they serve.
Prefix: __________
means _________________
disremoval or not
A to not approve of something
B be happy with someone
C to approve later
5. The underdeveloped kitten needed time to grow before
leaving the litter.
Prefix: __________
under- means _____________________
below or not enough
A be over developed
B quickly developed
C not developed enough
DataWORKS Educational Research
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Comments? feedback@dataworks-ed.com
Meaning
removal or not
after in time, later
below or not enough
2. The judge had to disallow the question because it was not
fair.
removal or not
Prefix: __________
means _____________________
disA to not allow something
B to judge something
C to allow something later
4. The posttest will be after the lesson today.
Prefix: __________
post- means _____________________
after in time, later
A take a group test
B a test after a lesson
C not take a test
6. If you underachieve in school, you will not receive good
grades.
Prefix ______________means
___________________
underbelow or not enough
A not achieve enough
B to over achieve
C to achieve later
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
Periodic Review 3
Name________________________________
A prefix is a letter or group of letters added to the beginning of a base word to change its meaning.
•
A prefix has a meaning of its own.
Prefix
A base word is a word in its basic form, without a prefix or suffix.
autoUse prefixes to analyze the meaning of words.
biStep #1: Read the sentence, paying attention to the underlined word.
microa. Identify the prefix in the underlined word. (circle)
b. Write the prefix and its meaning.
c. Identify the clues that help know the meaning of the underlined word. (underline)
Step #2: Select the best definition for the underlined word. (circle)
1. The plane was on autopilot as it flew over the ocean.
Prefix: __________
means ____________
autoself or same
A to drive a large plane
B to be driven by someone
C to drive by itself
Meaning
self or same
two
small
2. Grandma used her bifocals to read a book and see things
that are far away.
Prefix: __________
means ____________
bitwo
A lenses that have two focal lengths
B lenses that focus on their own
C very large lens
3. The tiny microfossil proved that birds lived at the same time
as dinosaurs.
4. President Bush wrote his autobiography about his life after
being president.
Prefix: __________
micro- means ____________
small
A a very old fossil
B two fossils of an animal
C a very small fossil
Prefix:__________means____________
autoself or same
A a biography written by oneself
B a whole biography
C a biography about someone who is dead
5. She is bilingual, and speaks both Spanish and French.
6. The flu germ is a tiny microorganism that can make you
sick.
biPrefix: __________means
____________
two
A one language
B one who speaks no languages
C speaking two languages
Prefix: __________
means ____________
microsmall
A an organism built by someone
B a small organism
C a very large structure
DataWORKS Educational Research
(800) 495-1550 • www.dataworks-ed.com
©2012 All rights reserved.
Comments? feedback@dataworks-ed.com
4th Grade Reading Vocabulary 1.4 (1Q)
Know common roots and affixes derived from Greek and Latin and use this knowledge
to analyze the meaning of complex words (e.g., international).
Lesson to be used by EDI-trained teachers only.
EDI – Cognitive, Teaching and English Learners Strategies
Learning Objective : Use prefixes to analyze the meaning of words.
Cognitive Strategies
Teaching Strategies
Elaboration
Demonstration
Targeted vocabulary: analyze, prefix, base word, identify, select
Language Strategies
Vocabulary Words
Academic
analyze, identify, select
Content
prefix, base word
Support
Multiple-Meaning
Vocabulary
Strategy
Synonym
identify (find), select (choose)
Definition
prefix, base word
Homophone
Internal Context Clue
Listen, Speak
Read
Write
Similar Sounds
Tracked Reading
Decoding Rules
Writing
Content Access Strategies
Comprehensible
Input
Cognates
Graphic Organizer
Contextual Clues
Contextualized
Definitions
Pictures