1. Common Core “Shifts” in ELA / Literacy
3rd Grade ELA
Learning Objective: We will identify the meaning of prefixes.
Focus Standard:
3.RF.3a Identify and know the meaning of the most common prefixes and derivational suffixes.
Support Standard:
Prerequisite(s):
2.RF.3d Decode words with common prefixes and suffixes.
2.L.4b Determine the meaning of a new word formed when a known prefix is added to a known word.
Manipulative(s):
Special
Instructions:
The literal decomposed definition may require further elaboration from the teacher in some situations. For example, in the word defrost, de means away so a literal definition is frost away. Further elaboration may be as follows “if frost goes away, then he is warming up”.
Vocabulary
Academic:
identify, modifies, determine
Content:
prefix
Support:
Common Core “Shifts” in ELA / Literacy
Shift 1 K-5, Balancing Informational & Literary Texts
Shift , Building Knowledge in the Disciplines
Shift 3 Staircase of Complexity
Shift 4 Text-based Answers
Shift 5 Writing from Sources
Shift 6 Academic Vocabulary
READY TO TEACHSM EDI ® Lessons
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EDI Lesson Overview

2. We will identify1 the meaning of prefixes.
Learning Objective
We will identify1 the meaning of prefixes.
What are we going to do?
What does identify mean?
Identify means __________.
CFU
Activate Prior Knowledge
Underline the difference between these two words: unlocked locked
Underline the difference between these two words: happy unhappy
Students, you already know that the group of letters at the beginning of the word changes its meaning. These groups of letters are called prefixes. Now, we will identify the meaning of prefixes.
Make Connection
1 find
Vocabulary

3. Identify the meaning of prefixes.
Concept Development
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
A prefix has a meaning of its own.
The prefix modifies2 the meaning of a word the same or almost the same way each time it is used.
Identify the meaning of prefixes.
Why is the “re” in rest not a prefix? Explain your answer.
Which word has a prefix? Which word does not have a prefix? Explain your answer.
A ready B retry
In your own words, what is a prefix? A prefix is ________.
CFU
Prefix + Word
Prefix Meaning
Meaning of Word
Sentence
reuse
re- means “again”
use again
Please reuse your paper bag when you go shopping.
redo
do again
I had to redo my homework because I spilled water on it.
rebuild
build again
We had to rebuild our house after the tornado ruined it.
retry
try again
Will you retry solving the math problem?
Not examples of prefixes:
The letter group “re” in ready is not a prefix because ady is not a word.
The letter group “re” in rest is not a prefix.
2 changes (synonym)
Vocabulary

4. Prefix and Word Meaning
Skill Development/Guided Practice
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine3 the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
How did I/you identify the prefix?
How did I/you determine the meaning of the word?
CFU 3 1a
Prefix meanings
Sample Words
re-
again
rewrite, rebuild, restate, retry
pre-
before
precook, pregame, prewash, pretest
un-
not
unhappy, undone, unreal, unsure
dis-
dislike, disagree, disappear, displease
Sentence
Prefix and Word Meaning 1.
We will repaint the
baby’s room blue.
___means______
Repaint means _________. 2.
I have to rewrite
my book report.
Rewrite means _________. 3.
To save time,
preheat the oven.
Preheat means _________. 4.
We saw the preview
before the movie.
Preview means _________. re
again
paint again re
again
write again
pre
before
heat before
3 figure out
Vocabulary
pre
before
view before

5. Prefix and Word Meaning
Skill Development/Guided Practice (continued)
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
How did I/you identify the prefix?
How did I/you determine the meaning of the word?
CFU 3 1a
Prefix meanings
Sample Words
re-
again
rewrite, rebuild, restate, retry
pre-
before
precook, pregame, prewash, pretest
un-
not
unhappy, undone, unreal, unsure
dis-
dislike, disagree, disappear, displease
Sentence
Prefix and Word Meaning 5.
The silly story
was untrue.
___means______
Untrue means _________. 6.
I’m unsure what time
the game starts.
Unsure means _________. 7.
I distrust my cat when
she is outside.
Distrust means _________. 8.
Do you disagree
with my answer?
Disagree means ________. un
not
not true un
not
not sure
dis
not
not trust
dis
not
not agree

6. Prefix and Word Meaning
Skill Development/Guided Practice (continued)
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
How did I/you identify the prefix?
How did I/you determine the meaning of the word?
CFU 3 1a
Prefix meanings
Sample Words
inter-
between
international, interstate, interact, intercom
over-
too much, above
oversized, overloaded, overeat, overthrow
de-
down, away
depress, defrost, decompose, derail
in-, im-, il-
not
improper, illegal, impossible, inaction
Sentence
Prefix and Word Meaning 9.
We drove on the interstate highway.
______means______
Interstate means ____________.
10.
The spaceship was on an interplanetary trip.
Interplanetary means_____________.
11.
The car was overloaded with people.
______means________
Overloaded means _________.
12.
The runner scored on
an overthrow to home.
Overthrow means __________.
inter
between
between states
inter
between
between planets
over
too much
loaded too much
over
above
throw above

7. Prefix and Word Meaning
Skill Development/Guided Practice (continued)
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
How did I/you identify the prefix?
How did I/you determine the meaning of the word?
CFU 3 1a
Prefix meanings
Sample Words
inter-
between
international, interstate, interact, intercom
over-
too much, above
oversized, overloaded, overeat, overthrow
de-
down, away
depress, defrost, decompose, derail
in-, im-, il-
not
improper, illegal, impossible, inaction
Sentence
Prefix and Word Meaning
13.
You must depress
the button to turn it on.
___means______
Depress means _________.
14.
The ski jumper had to defrost his cold hands.
Defrost means _________.
15.
It is impossible to win
the game now.
Impossible means _________.
16.
Riding in a car without
a seatbelt is illegal.
Illegal means ________. de
down
press down de
away
frost away im
not
not possible il
not
not legal

8. Select the correct prefixes to complete the story below. (circle)
Skill Development/Guided Practice (continued)
How did I/you determine what the question or prompt is asking?
How did I/you determine the ELA concept required?
How did I/you determine the relevant information?
How did I/you answer the question?
How did I/you determine if all parts of the question have been answered?
CFU 2 1 3 4 5
Select the correct prefixes to complete the story below. (circle)
The Championship Game
Coach watched as the Tigers baseball team ran onto the field for a (pre/inter)game warm-up.
The stadium was really crowded. Coach knew the team did not want to (dis/re)please the fans by losing tonight’s game against the Bears. The game got off to quick start, but by the 8th inning the Tigers were behind by one run. Coach wondered if a win tonight would be (im/un)possible. When the last batter approached the plate the (over/un)happy Tigers had a runner on first base and hoped for a miracle. The pitcher threw the ball and the batter hit it over the outfield fence! The Tigers scored the winning run! The fans were (over/inter)joyed! The sound of cheering filled the stadium. Winning the championship game seemed (pre/un)real! Coach and the Tigers were ready to celebrate!

9. Relevance
A prefix is a letter or group of letters added to the beginning of a word to change its meaning. 1
Identifying the meaning of prefixes will help you read and understand long and complex words.
review; disbelieve; preregister; unfriendly 2
Identifying the meaning of prefixes will help you do well on tests.
Sample Test Question:
By knowing the prefix in the word, preview, you can determine that it means:
A to view again
B to view before
C to not view
D to view between
Does anyone else have another reason why it is relevant to identify the meaning of prefixes? (Pair-Share) Why is it relevant to identify the meaning of prefixes? You may give me one of my reasons or one of your own. Which reason is more relevant to you? Why?
CFU

10. Prefix and Word Meaning
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Skill Closure
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
Prefix Meanings
Sample Words
re-
again
rewrite, rebuild, restate, retry
un-
not
unhappy, undone, unreal, unsure
Sentence
Prefix and Word Meaning 1.
My battery needed
to recharge.
___means______
Recharge means ___________. 2.
The answer is unknown.
Unknown means ___________. re
again
charge again un
not
not known
Word Bank
identify
prefix
meaning
Access Common Core
A remove B restart C really
Jackie wrote a list of words with the prefix re-.
Is her list correct? Explain your answer.
“re” in really is not a prefix because ally is not a word.
Summary Closure
What did you learn today about identifying the meaning of prefixes? (Pair-Share)
Use words from the word bank.

11. Prefix and Word Meaning
Independent Practice
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
Prefix meanings
Sample Words
re-
again
rewrite, rebuild, restate, retry
pre-
before
precook, pregame, prewash, pretest
un-
not
unhappy, undone, unreal, unsure
dis-
dislike, disagree, disappear, displease
Sentence
Prefix and Word Meaning 1.
I have to reorder
the pictures.
___means______
Reorder means __________. 2.
The pieces of cake
were unequal.
Unequal means _________. 3.
To save time,
precook the meat.
Precook means _________. 4.
Do not disobey
your parents.
Disobey means _________. re
again
order again un
not
not equal
pre
before
cook before
dis
not
not obey

12. Prefix and Word Meaning
Independent Practice (continued)
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
Read the sentence, paying attention to the bolded word.
Identify the prefix. (underline)
Identify the meaning of the prefix. (write) Hint: Use the chart.
Determine the meaning of the word. (write)
Read the sentence aloud and tell what it means.
Identify the meaning of prefixes. 1 2 3 4 a
Prefix meanings
Sample Words
de-
down, away
depress, defrost, decompose, derail
in-, im-, il-
not
improper, illegal, impossible, inaction
inter-
between
international, interstate, interact, intercom
over-
too much, above
oversized, overloaded, overeat, overthrow
Sentence
Prefix and Word Meaning 5.
Ana overslept on her
first day of school.
_____means________
Overslept means ____________. 6.
Dad had to debone
the turkey after dinner.
___means______
Debone means _________. 7.
Danny wrote to me with invisible ink.
Invisible means __________. 8.
Sal took an international flight to Mexico City.
_____means______
International means ____________.
over
too much
slept too much de
away
bone away in
not
not visible
inter
between
between nations

13. Prefix and Word Meaning
Periodic Review 1
Sentence
Prefix and Word Meaning 1.
I reread my notes
before the test.
___means_____ Reread means ________. 2.
The team did pregame
warm-ups.
___means_____
Pregame means _________. 3.
The accident will
disable him for life.
Disable means ________. 4.
The new furniture
was unattractive.
Unattractive means _____.
Prefix meanings
re-
again
pre-
before
un-
not
dis- re
again
read again
pre
before
before a game
dis
not
not able un
not
not attractive
Access Common Core
Which of the following words has a prefix? (circle)
A really Yes No
B unusual Yes No
C dishes Yes No
D preschool Yes No
E unite Yes No
F rest Yes No
G illogical Yes No H preach Yes No

14. Prefix and Word Meaning
Periodic Review 2
Sentence
Prefix and Word Meaning 1.
Ludwig was impatient
while waiting in line.
___means_____ Impatient means ________. 2.
Tina was overjoyed
to see her puppy again.
______means_____
Overjoyed means _________.
Prefix meanings
im-, in-, il-
not
over-
too much, above im
not
not patient
over
above
above joy
Access Common Core
Is the bolded word used correctly?
Erin said she was resure if she would catch or drop the baseball.
Used correctly? Yes No If no, what’s correct? _______________
unsure
Maya said her teacher wants her to diswrite her paper again.
Used correctly? Yes No If no, what’s correct? _______________
rewrite
Ellen said the haunted house was prereal.
Used correctly? Yes No If no, what’s correct? _______________
unreal
Jorge said he left two problems unanswered on his test.
Used correctly? Yes No If no, what’s correct? _______________
Henry tells Juan about the reviews he saw before the long movie.
Used correctly? Yes No If no, what’s correct? _______________

15. Prefix and Word Meaning
Periodic Review 3
Sentence
Prefix and Word Meaning 1.
Presoak the shirt to
get the stain out.
___means_____ Presoak means ________. 2.
David acted very immature by talking loudly.
___means_____
Immature means _________.
Prefix meanings
pre-
before
im-, in-, il-
not
pre
before
soak before im
not
not mature
Access Common Core
Use your knowledge of prefixes to figure out the meaning of the bolded word.
The teacher said she would prebake the cookies before class.
Evelyn figured out that the word meant ___________________.
bake before
On TV, Adam heard a man say the game was unofficial.
He figured out that the word meant _____________________.
not official
Maria heard a song titled “Restart my heart with love!”
She figured out that the word meant ____________________.
start again
Daniel’s video game said cheats were disallowed.
He figured out that the word meant ______________________.
not allowed
Matt heard the waitress say the food was precooked or uncooked.
He figured out that the words meant ___________ and __________.
cooked before
not cooked

16. EDI – Cognitive, Teaching, and English Learner Strategies
Learning Objective:
We will identify the meaning of prefixes.
Cognitive Strategies
Teaching Strategies
Elaboration
Demonstration
Language Strategies
Targeted Vocabulary
Academic
identify, modifies, determine
Content
prefix
Support
Vocabulary
Strategy
Multiple-Meaning
Synonym
modifies
Definition
identify, determine, prefix
Homophone
Internal Context Clue
Listen, Speak
Similar Sounds
Read
Tracked Reading
Write
Writing
Content Access Strategies
Comprehensible Input
Cognates
Contextual Clues
Graphic Organizer
Contextualized Definitions
Pictures