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Lesson Plan: Prefixes

Subject:  ELA- Reading

Grade: 3

Lesson Objective: To learn about common prefixes and demonstrate an understanding of them by completing sentences

Common Core Standard:  CCSS.ELA-LITERACY.RF.3.3.A- Identify and know the meaning of the most common prefixes and derivational suffixes.

Materials:

Starter:

Say:

  • What is the difference between the words hook and unhook?  (Allow the students to answer.)

Main:

Say:

  • The word hook means to fasten or put something together.  The word unhook means to take something apart.
  • In front of the word hook are the letter “un.”  “Un” is a prefix. 
  • A prefix is a word or a group of letters that change the meaning of a word.
  • There are many different prefixes.  We are going to talk about 6 of those prefixes today.
  • The prefixes that we are going to talk about are dis, un, re, over, im, and pre.  (Write the prefixes on the board and point to them as you talk about them.)
  • The prefix dis- means apart or away.  One example is the word disown.  That means you do not own something anymore, so it is away from you.
  • The prefix un- means not.  We already talked about how unhook means to not hook.
  • The prefix re- means again.  An example is retype.  You would tell someone to retype something or type it again if they hadn’t done it right the first time.
  • The prefix over- means too much.  The word overjoyed means that the person has too much joy or happiness.
  • The prefix im- means not.  For example, impolite means not polite.
  • The prefix pre- means before.  The word preschool is an example.  You go there before you go to school.
  • Now, you are going to be doing a worksheet so that you can practice what you learned about prefixes.  There are six sentences.  Each sentence has two blank spaces.  Using the words in parentheses at the end of the sentences, choose which word fits in each space.
  • Does anyone have any questions?

Feedback:

Say:

  • Who would like to share their answers?  (Allow the students to share and go over the answers.)

Written by Kimberly Greacen, Education World® Contributing Writer

Kimberly is an educator with extensive experience in curriculum writing and developing instructional materials to align with Common Core State Standards and Bloom's Taxonomy.

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