Roots and affixes

1. Word
Parts
Base Words,
Roots, and
Affixes

2. Quick Write
What do you
know about word
parts? What is a
prefix? What is a
suffix? What is a
base word? What is a
root? Give examples.
Write what you think. It doesn’t
have to be perfect.

3. Base Words
A base word is a word part that contains
the core meaning of a word and can also
stand alone.
Examples: form, operate,
approve, believe, read, etc.
reform, cooperate,
disapprove, believable, reading

4. Check for Understanding
Rally Robin with your partner
to identify the base words in
the following words:
1. Preselect
2. Education
3. Dancing
4. Restate
5. Happily
6. Distasteful

5. Roots
A root is a word part that
contains the core meaning
of a word and cannot stand
alone.
Examples: cred, man, bio,
logy, etc.
incredible, manicure, biology

6. Partner
Talk
A – What is a base
word? Give an
example.
B – What is a root?
Give an example.
A – Compare base
words and roots.
B – Contrast base
words and roots.

7. Prefixes
A prefix is a word part added
to the beginning of a word
that affects its meaning.
Examples: re, de, in, co, dis,
etc.
reform, deflate, incredible,
cooperate, disbelief

8. Check for Understanding
Rally Robin with your partner
to identify the prefixes in the
following words:
1. Preselect
2. Deform
3. Nonbeliever
4. Restate
5. Indoors
6. Distasteful

9. Suffixes
A suffix is a word part added
to the end of a word that
affects its meaning.
Examples: tion, less, ful, er,
etc.
education, careless, joyful,
teacher

10. Partner
Talk
A – What is a prefix?
Give an example.
B – What is a suffix?
Give an example.
A – Compare prefixes
and suffixes.
B – Contrast prefixes
and suffixes..

11. Card Sort
Use your cards to
build words with base
words, prefixes,
and/or suffixes.
As you build a word,
write it in your
notebook to build a
list.
You may use a dictionary.

12. Summary
In the summary section of
your notes, restate what
you’ve learned about
word parts today. Be
sure to define base
words, roots, prefixes,
and suffixes. Compare
and contrast them. Give
examples. You should
write at least 5 sentences.