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Prefixes. Prefixes. reading standard=1.8 Use knowledge of prefixes to determine the meaning of words. Prefixes. Today we are going to use prefixes to determine the meaning of words. Determine= figure out What are going to do today? What are we going to determine?. Prefixes.

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Prefixes
Prefixes

  • reading standard=1.8 Use knowledge of prefixes to determine the meaning of words.


Prefixes1
Prefixes

  • Today we are going to use prefixes to determine the meaning of words.

  • Determine= figure out

  • What are going to do today?

  • What are we going to determine?


Prefixes2
Prefixes

  • If you untie your shoe, are you making a bow or taking it out?

  • If you rewrite your letter, are you writing it for the first time or second time?

  • If it is impossible to swim to China, can you do it or not?



A prefix is a word part added to the beginning of a base word.

Please keep in mind…the base word is a word by itself. Example pre-read. Read is a word by itself without the prefix “pre”. Pre + read=pre-read

What is a prefix?


A prefix changes the meaning of a word.


Prefixes and Definitions

Examples

im- not

in- not

bi- two

non- not

dis- not or opposite of

Re-do again

Pre-before

Mis-incorrect

improper

incomplete

bicycle

nonstop

disagree

reread

Pre-read

misspell


Prefixes3
Prefixes

improper

incomplete


Prefixes4
Prefixes

bicycle

nonstop


Prefix
Prefix

disagree

reread


Prefixes5
Prefixes

Pre-read

misspell


Importance
Importance

  • Why is it important to know prefixes?


Warning
WARNING!

Just because a word begins with im, re, or another prefix, doesn’t mean it is a prefix.

  • Eating a good breakfast is important.

  • The mailman received the mail.

    If there is no base word, then it’s not a prefix.

    Ceive or Portant don’t mean anything by themselves


  • Read the sentence.

  • Think: “What is the sentence about?”

  • Look at the prefix definition.

  • Choose and write the best prefix for the sentence.


Prefixes6
Prefixes

  • Choose and write the best prefix for the sentence.

  • 1. Please _______ my glass with milk.

    (fill again)

    2. You must _________ the oven to 300 degrees. (heat again)


Prefixes7
Prefixes

  • Choose and write the best prefix for the sentence.

  • 3. He _____ his steps through the woods.

    (traced again)

  • 4. You should _____ your notes before a test. (view again)


Review
Review

  • A prefix is a word part added to the beginning of a base word.

  • A prefix changes the meaning of a word.


Prefixes8
Prefixes

bicycle

nonstop


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



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


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