Prefixes, Suffixes, and Root Words

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Prefixes, Suffixes, and Root Words
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Goal Students will use knowledge of word
recognition skills. Students will practice using
prefixes and suffixes to determine how the
meaning of the base word changes.
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Prefixes, Suffixes, and Base Words

• What is important to know???

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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
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Base Words
Write the base words. Played Running
Reheat Quickly Unhappy
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Prefix

• A group of letters that come before the word to
  alter its meaning
• Un happy unhappy
• Re do redo

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At the movies I saw a preview of a new movie
coming out this summer!
Pre
view
See
Before
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At the movies I saw a preview of a new movie
coming out this summer!We know preview means
before you see the movie
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Prefixes

• re-
• pre-
• mis-
• in-
• dis-
• un-
• non-

• Again
• Before
• Not/Wrongly
• Not

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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?

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PrefixesAdd 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

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Suffix

• A group of letters that come after a word that
  alter its meaning
• wonder ful wonderful
• rest ful restful

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Suffixes

• -ful
• -less
• -ble
• -ly
• -ness
• -ment

• Full of
• Lack of/dont have
• Able/can do
• State of
• act of, result
• in a certain way

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The students are told to walk quietly down the
hall.
Quiet
ly
in a certain way
silent
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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?

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Match each word with its definition.
healthful
in a sad way
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
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SuffixesAdd 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

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Randys bike tire was flat. He couldnt find
the pump because the garage was in disorder.
Its hopeless, said Randy. Ill never make it
to the soccer game on time.
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Thats nonsense, said his brother Jake. You
can use my bike.
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Gee, thanks, said Randy, hopping on the bike.
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See, I can be likable! said Jake with a grin.
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Define the words below

• Disorder
• Hopeless
• Nonsense
• Likable