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Roots, Prefixes, and Suffixes

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Karina Guerra

on 14 July 2014

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Transcript of Roots, Prefixes, and Suffixes


If you add the suffix: “GRAPH”


If you add the suffix: “ER"

DESIGN + ER = DESIGNER (someone who designs)
Roots, Prefixes, and Suffixes
Dispatch B
Now look up these words in the dictionary.

4. Disagree

5. Inappropriate

6. Disrespectful
Put on your thinking Caps!
How do the words in Dispatch (A) compare with the words in Dispatch (B)?

How do the meanings change? Why do you think that is? Explain.
What are roots?
A root word is the most basic form of a word that carries meaning.

Root words help us understand the meaning of whole words.

There are different types of roots:
Base Word
What is a base word?
A base word is a word in its simplest form.


Dispatch A

Look up the words in the dictionary below.

1. Agree:

2. Appropriate:

3. Respect:
What is a prefix?

When prefixes are added to a base word, they modify the meaning of the root word.

Example: (re-, dis-, un-, ex-)

Prefixes are added to the beginning of base words.

Prefix Example
If you add the prefix, “RE” to the base word:

RE + JECT = REJECT (to throw out)

RE + DO = REDO (do over)

In this case, adding the prefix to the base word, gave the base word a direction
What is a suffix?
Suffixes are similar to Prefixes.

They both modify the meaning of words, but instead, suffixes are added to the end of the base words.

Group Activity
Now it's your turn to create words using Prefixes, Suffixes, or Both!

You will be divided into groups, to create colorful posters!

Remember, we must work in teams.
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