Objective: Learn how to use prefixes, suffixes, and base words to find the meaning of words.

1
Prefixes, Suffixes, and Base Words

• Objective Learn how to use prefixes, suffixes,
  and base words to find the meaning of words.

2
Base 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
3
Base Words
Write each word in your Notes. Identify the base
words by underlining them in your
Notes. Played Running Reheat Quickly Unhappy
4
Prefixes

• Prefixes are added to the beginning of a base
  word. They change the meaning of the base word.
• Un happy unhappy
• Re do redo

5
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?

6
PrefixesAdd a prefix to the beginning of each
word to make a new word. Draw a line form the
word to its meaning in your Notes.

• ____do
• ____happy
• ____clear
• ____read
• ____pack

• The opposite of pack
• Do again
• Opposite of clear
• Read again
• Not happy

7
Suffixes

• Suffixes are added to the end of a base
  word. They change the meaning of the base word.
• wonder ful wonderful
• rest ful restful

8
Suffixes

• 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?

9
SuffixesAdd a suffix to the end of each base
word. Draw a line to its new meaning in your
Notes.

• Loud____
• Color____
• Wonder____
• Sudden_____
• Play____

• In a loud way
• Full of play
• Full of wonder
• In a sudden way
• Full of color

10
Copy both columns. Match each word with its
definition by drawing a line between the columns
in your Notes.
slowly
to heat again
the opposite of lock
unlock
to read again
reheat
full of health
sadly
in a slow way
uncomfortable
not comfortable
reread
in a sad way
healthful
11
HOMEWORK!

• GO HOME AND CHECK THE HOMEWORK WEBSITE
  (MATERLAKES.ORG)
• PRINT OUT THE MOST COMMON SUFFIXES AND MOST
  COMMON PREFIXES WORKSHEETS. THESE WILL BE
  CHECKED FOR A GRADE NEXT CLASS!
• PRINT OUT AND COMPLETE THE TWO PRACTICE
  WORKSHEETS. DUE NEXT CLASS!