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Strand:
Common Core Standards Plus – Language Arts – Grade 3
Vocabulary Acquisition and Use
Focus: Affixes
Lesson: #5
Language Standard: L.3.4b: Determine the meaning of the new word formed when a known affix is added to
a known word (e.g., agreeable/disagreeable, comfortable/uncomfortable, care/careless, heat/preheat).
Prefix – An affix added to the beginning of a word
Suffix – An affix added to the end of a word
Example: Original word agreeable
It means something is pleasant or enjoyable.
Write the new word adding the affix dis to the beginning of the word.
_____________________________
What does the new word mean? _____________________________
How did the word change when you added the affix? What might the affix dismean?
Directions: Read the items that follow. For each word, write the word that is
formed when you add the given affix before or after the word. You will then write
what the new word means.
1. Original word: possible
It means that something is able to be done.
Write the new word adding the affix -im to the beginning of the word.
________________________________
What does the new word mean? ________________________
2. Original word: friend
It may mean someone you know well or are fond of.
Write the new word adding the affix -less to the end of the word.
____________________________
What does the new word mean? ________________________
3. Original word: eat
It means to put in mouth, chew and swallow.
Write the new word adding the affix over- to the beginning of the word.
_____________________________
What does the new word mean? _________________________
4. Original word: write
It may mean to put words on a page.
Write the new word adding the affix re- to the beginning of the word.
_____________________________
What does the new word mean? _________________________
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Common Core Standards Plus® – Language Arts – Grade 3
Strand: Vocabulary Acquisition and Use
Focus: Affixes
Lesson: #6
Language Standard: L.3.4b: Determine the meaning of the new word formed when a known affix is added to
a known word (e.g., agreeable/disagreeable, comfortable/uncomfortable, care/careless, heat/preheat).
Example: Original word care
It means to be concerned about.
New word: careless
What does the new word mean? _________________________
What might the affix -less mean? ________________________________
Directions: Read the items that follow. For each word, write the word that is
formed when you add the given affix before or after the word. You will then write
what the new word means.
1. Original word: heat
It means to make or become warm.
Write the new word adding the affix re- to the beginning of the word.
________________________________
What does the new word mean? ________________________
What might the affix re- mean? __________________________
2. Original word: afraid
It means scared or fearful of something.
Write the new word adding the affix un- to the beginning of the word.
______________________________
What does the new word mean? ______________________
What might the affix un- mean? ________________________
3. Original word: joy
It means happiness.
Write the new word by adding the affix -ful to the end of the word.
_____________________________
What does the new word mean? ________________________
What might the affix -ful mean? _________________________
4. Original word: cycle
It refers to something with a wheel.
Write the new word by adding the affix tri- to the beginning of the word.
___________________________________
Write the new word by adding the affix bi- to the beginning of the original
word.
_____________________________
What does the affix bi- mean? __________________________
What does the affix tri- mean? __________________________
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© 2013 Learning Plus Associates – LIMITED DUPLICATION LICENSE GRANTED.
These materials may be printed for use in your classroom only. Further distribution of these lessons is prohibited by law.
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Common Core Standards Plus – Language Arts – Grade 3
Strand: Vocabulary Acquisition and Use
Focus: Root Words
Lesson: #7
Language Standard: L.3.4c: Use a known root word as a clue to the meaning of an unknown word
with the same root (e.g., company, companion).
Example: The rock was immovable; it was so heavy that no one could
make it budge.
What does the word immovable mean? _____________________
Directions: Circle the root word or the part of the word that looks
familiar or resembles another word. Write the meaning of the underlined
word on the line provided.
1. Sarah felt weightless when the roller coaster ride went quickly from
the top of the hill to the bottom.
What does weightless mean? __________________________
2. They all got together in the observatory to view the stars.
What does observatory mean? __________________________
3. After the completion of his chores, Nathan went outside to play.
What does completion mean? __________________________
4. There was a substitute in class, and the behavior of the students was
abnormal.
What does abnormal mean? ___________________________
© 2013 Learning Plus Associates – LIMITED DUPLICATION LICENSE GRANTED.
These materials may be printed for use in your classroom only. Further distribution of these lessons is prohibited by law.
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Student Page
Common Core Standards Plus® – Language Arts – Grade 3
Strand: Vocabulary Acquisition and Use
Focus: Root Words
Lesson: #8
Language Standard: L.3.4c: Use a known root word as a clue to the meaning of an unknown word
with the same root (e.g., company, companion).
A root word is a word before a suffix or prefix is added.
Example: She gave a factual account of the events.
Factual means ___________________.
Directions: Circle the root word or the part of the word that looks familiar or
resembles another word. Write the meaning of the underlined word on the line
provided.
1. The elasticity of her shorts had worn out, so her pants fell down.
Elasticity means ___________________.
2. The zookeeper was sad because the monkeys were endangered.
Endangered means ________________________.
3. Taylor knew that the book was fictitious because it was about dogs that could fly
and talk to people.
Fictitious means ____________________.
4. She went to the park with frequency because she loved playing on the
playground.
Frequency means ____________________.
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These materials may be printed for use in your classroom only. Further distribution of these lessons is prohibited by law.
Student Page
Common Core Standards Plus® – Language Arts – Grade 3
Strand: Vocabulary Acquisition and Use
Focus: Roots and Affixes
Evaluation: #2
Prefix – An affix added to the beginning of a word
Suffix – An affix added to the end of a word
Root word – A word before a suffix or prefix is added
Directions: Read the items that follow. For each word write the new
word that is formed when the affix you are given is added before or after
the word. You will then need to write what the new word means.
1. Original word: brave
It means not afraid or courageous.
Write the new word adding the affix -est to the end of the word.
________________________________
What does the new word mean? ________________________
What might the affix -est mean? _____________________
2. Original word: mature
It means acting appropriately for your age.
Write the new word adding the affix im- to the beginning of the
word. _________________________________________
What does the new word mean? _____________________
What might the affix im- mean? ________________________
Directions: Circle the root word you recognize or the part of the word
you recognize in the underlined word, and write the meaning of the
underlined word on the line provided.
3. The group was marching in front of the White House demanding
equality for all people.
Equality means ______________________.
4. Because she lived alone, Mrs. Foster got a dog for companionship.
Companionship means ________________________.
© 2013 Learning Plus Associates – LIMITED DUPLICATION LICENSE GRANTED.
These materials may be printed for use in your classroom only. Further distribution of these lessons is prohibited by law.
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