Roots and Affixes

​Remember, affixes are...

• ​Prefixes, a word part added to the start of a root word which will modify the meaning of that word.

​

• ​Suffixes, a word part added to the end of a root word which modifies the meaning of that root.

Common Roots

• Ambi= both

• Aqua= water

• Aud= to hear

• bene= good

• dict= to say

• fract= to break

• srib/scribe= to write

Common Prefixes

• Pre= before, in front of (prefix, pretax, prequel)

• in/non/un/im= not (inadequate, nonfat, undo, impossible).

• dis= lack of, apart, not (disappear, disconnect)

• mis= wrong (misstep, miscommunicate)

Common Suffixes

• able/ible= able to (understandable, visible)

• ful= full of (graceful, beautiful)

• less= without (meaningless, pointless)

• ment= action/resulting state (resentment, retirement)

• ly= in a specified manner (quickly, carefully)

Using Roots and Affixes

• Take a word such as unsuccessfully

• break it down into roots and affixes

• un-success-ful-ly

• we know that un- means not, -ful means ful, and -ly means in a certain way, so we can figure out that this means not in a way that is full of success.

Using Roots and Affixes

• inaudible

• break it down into roots and affixes

• in-aud-ible

• not-to hear-able

• not able to be heard

Using Roots and Affixes

• ambidextrous

• break it down into roots and affixes

• ambi-dext-(r)ous

• both-right hand-full of

• ability to use both hands skillfully

Multiple Choice

A prefix is added to the ____________ of the word.

• beginning

• middle

• end

Multiple Choice

A suffix is added to the ____________ of the word.

• beginning

• middle

• end

Multiple Choice

Adding a prefix/suffix changes the meaning of a word.

• True

• False

Multiple Select

Check all the boxes with words that have a root words.

• biology

• sandbox

• submarine

• bicycle

Multiple Choice

Which word means an underwater ship?

• mariner

• submarine

• visible

• cyclone

Multiple Choice

Which word means a story of a person's life?

• biology

• audible

• chronological

• biography

Multiple Choice

Which word means loud enough to be heard?

• audience

• visible

• audible

• videocassette

Multiple Choice

Which word means the study of living things?

• mariner

• biology

• biography

• science

Multiple Choice

What is the root in the word evidence?

• evi

• vid

• den

• nce

Multiple Choice

What is the root in the word cyclone?

• cycl

• clo

• one

• ycl

Multiple Choice

What is the root in the word chronological?

• chr

• chron

• logical

• olog

Multiple Choice

Alex is chronically late. Even with a watch on her wrist and clock on her iphone, she can never arrive anywhere on time!

The word chronically in this paragraph means-

• one time

• several times

• never

• always

Open Ended

Essential Question:

How can root words help you understand the meaning of words?

Root words can help you understand the meaning of words because.....