Prefixes and Suffixes

Mrs. ChantzTigers English 2007-2008

Table of Contents

• Goals• Standards• Lesson• Assessment Games

Goals

By the end of this PowerPoint, I want you to be able to:– Recall the meaning of

several common prefixes– Understand how prefixes

change word meanings

Standards1.1.8• Use knowledge of root words as well as

context clues and glossaries to understand specialized vocabulary in the content areas during reading. Use these words accurately in speaking and writing.

1.7.8• Describe the origins and meanings of

common, learned and foreign words used frequently in English language (e.g., carte blanche, faux pas).

• Analyze the role and place of standard American English in speech, writing and literature.

• Identify new words that have been added to the English language over time.

Number Prefixes

These prefixes indicate number value in a word:

Bi-two—bicycle-two wheelsTri-three—triangle—three

angles

Lesson

Prefixes are added to the beginning of words to change a words meaning.

Cycle is something you ride.Bicycle is something you

ride with two wheels.

You try

Write a word that uses each prefix, then write a definition for the word:

1. Bi-2. Tri-

Not Prefixes

These prefixes indicate the word not:

il—illegal—not legalIm—impossible—not

possibleIn—inactive—not activeIr—irregular—not regularNon—nonsense—no senseUn—unable—not able

Now you try--Write a word that uses each prefix, then write a definition for the word:il—Im—In—Ir—Non—Un—

Direction Prefixes:De—lower—descend—move to a lower

place Mid—middle—midway—middle of the

wayIn—in/into—inhale—breath inIm—in/into—import—bring intoRe—back—recurve—a backwards bendSub—under—submarine—underwaterSuper—above—superimpose—place

above

Now you try--Write a word that uses each prefix, then write a definition for the word:

De— Mid—In—Im—Re—Sub—Super—

Time Prefixes

Fore—ahead of time—forewarn—warn ahead of time

Pre—before—prefix—before the word

Re—again—redo—do again

Now you try--Write a word that uses each prefix, then write a definition for the word: Fore—Pre—Re—

Behavior Prefixes:

Mis—wrongly—misunderstand—wrongly understand

Mis—badly—misbehave—badly behave

Now you try--Write a word that uses each prefix, then write a definition for the word:

Mis—Mis—

Combining Prefixes:

Com—together—compact—packed together

Con—with—contact—communicate with

Now you try--Write a word that uses each prefix, then write a definition for the word:

Com—Con—

Practice

• Prefix definition game• Prefix definition game 2• Prefix definition game 3• Prefixes in context game• Making words with

prefixes game

Assignment

You will be quizzed on the prefixes and their meanings so start to study.