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July 22, 2015
by Caitlin Fahey

Learning Objectives

Students will be able to identify prefixes, as well as words that contain prefixes.


Introduction (15 minutes)

  • Ask students: What do you think it means when we say "re," like in "re-do?"
  • Have students try to explain in their own words what "re" means.
  • On the board, write down some words with the prefix "re": rerun, retell, redo, repeat, and rewrite.
  • Explain that these are prefixes. A prefix come before a word and modifies its meaning. (Something fun to note is that the word "prefix" has a prefix itself.)

Explicit Instruction/Teacher Modeling (10 minutes)

  • Hand out the What is a Prefix and Get It Started worksheets.
  • Begin with What is a Prefix. Make sure students understand that a prefix must go before a root word. For example, "red" does not contain the prefix "re" because "d" is not a root word.
  • Project your copy of the worksheet with a document camera, and work through it as a class.

Guided Practice/Interactive Modeling (10 minutes)

  • Have students try the Get It Started worksheet on their own.
  • Have students turn and talk to share their answers.
  • Use the document camera to show the answers.

Independent Working Time (10 minutes)

  • Hand out the Prefix Mix-up sheet and Circle the Prefixes worksheets, and have students work on them independently.



  • Enrichment: Give advanced students an additional challenge during Independent Working Time. Select a common prefix, and have them each write down 10 words that contain it.
  • Support: Pull aside struggling students and help them complete their worksheets.

Related Books and/or Media

  • BOOK: Pre- And Re-, Mis- And Dis- by Brian P. Cleary


Assessment (10 minutes)

  • Have students exchange their worksheets with one another for peer correction.
  • Go over the answers as a class.
  • Collect students' marked-up worksheets. Review them later to assess overall understanding of the lesson content.

Review and Closing (5 minutes)

  • Review the definition of a prefix.
  • Allow students to ask questions and give comments about the lesson.

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