Prefixes, Suffixes, and Root Words

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.

What is important to know???

A base word is a word in its simplest form. A base word has nothing added to it.

Examples:

DoHeat WriteReadPack

Write the base words.

Played

Running

Reheat

Quickly

Unhappy

PrefixA group of letters that come before the word to alter its meaning

Un + happy = unhappyRe + do = redo

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7

Back

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Prefixesre-pre-mis-in-dis-un-non-

Again

Before

Not/Wrongly

Not

PrefixesThe 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?

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 packDo againOpposite of clearRead againNot happy

SuffixA group of letters that come after a word that alter its meaning

wonder + ful = wonderfulrest + ful = restful

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Suffixes-ful-less-ble-ly-ness-ment

Full ofLack of/don’t haveAble/can doState ofact of, resultin a certain way

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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?

Match each word with its definition.

healthful

slowly

unlock

reheat

sadly

uncomfortable

reread

in a sad way

to heat againthe opposite of lock

to read again

full of health

in a slow way

not comfortable

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 wayFull of playFull of wonderIn a sudden wayFull of color

Randy’s bike tire was flat. He couldn’t find the pump because the garage was in disorder. “It’s hopeless,” said Randy. “I’ll never make it to the soccer game on time.”

“That’s nonsense,” said his brother Jake. “You can use my bike.”

“Gee, thanks,” said Randy, hopping on the bike.

“See, I can be likable!” said Jake with a grin.

Define the words belowDisorder

Hopeless

Nonsense

Likable