Subject: Communication Arts
Objective: Prefixes, Suffixes, and Base Words
Name: Angie Binkhoelter
Grade Level: 3
Lesson Overview: Students will learn to identify base words. They
will learn the meaning of various prefixes and suffixes. They will learn
how these prefixes and suffixes change the meanings of base words.
Learn how to use prefixes, suffixes,
and base words to find the meanings
of words.
A base word is a word in its simplest form. A
base word has nothing added to it.
Examples:
Do
Heat
Write
Read
Pack
Base Words
Write the base words.
Played
Running
Reheat
Quickly
Unhappy
Prefixes are added to the beginning of a
base word. They change the meaning of the
base word.
Un + happy = unhappy
Re + do = redo
Prefixes
• The prefix re means
again.
• Reread means to read
again.
• Rewrite means to
write again.
• What does reheat
mean?
• The prefix un means
not or the opposite of.
• Uncomfortable means
not comfortable.
• Unpack means the
opposite of pack.
• What does unclear
mean?
Prefixes
Add a prefix to the beginning of each word to make a new
word. Draw a line form the word to its meaning.
•
•
•
•
•
____do
____happy
____clear
____read
____pack
•
•
•
•
•
The opposite of pack
Do again
Opposite of clear
Read again
Not happy
Suffixes are added to the end of
a base word. They change the
meaning of the base word.
wonder + ful = wonderful
rest + ful = restful
• The suffix ly means in
a certain way.
• Quickly means in a
quick way.
• Loudly means in a
loud way.
• What does suddenly
mean?
• The suffix ful means
full of.
• Colorful means full of
color.
• Playful means full of
play.
• What does thankful
mean?
Suffixes
Add a suffix to the end of each base word. Draw a
line to its new meaning.
•
•
•
•
•
Loud____
Color____
Wonder____
Sudden_____
Play____
•
•
•
•
•
In a loud way
Full of play
Full of wonder
In a sudden way
Full of color
Match each word with its definition.
healthful
slowly
unlock
reheat
sadly
uncomfortable
reread
in a sad way
to heat again
the opposite of lock
to read again
full of health
in a slow way
not comfortable