Free 5th Grade Prefixes Lesson Plan

Topic: Prefixes

Objectives & Outcomes

  • Students will be able to define and identify prefixes in English words.


  • Flash cards with English words with prefixes
  • Whiteboard and markers


  • Ask students to raise their hand if they know what a prefix is.
  • Ask a few students to give an example of a prefix.
  • Write the following words on the board with prefixes:un (dis),mis (dis)trust,ir (dis)trust,pre (dis)trust.Ask students to explain how the prefixes will change the meaning of the words.

Direct Instruction

  • Explain that prefixes are added to the beginning of a word to change its meaning.
  • Introduce the following prefixes:un-dis-in-im-il-ir-im-il-un-dis-pre-in-im-il-un-dis-pre-in-im-il-un-dis-pre-in-im-il-un-dis-pre-in-im-il-un-dis-pre-in-im-il
  • Write the word and its meaning on the board.Have students give the meaning of the word with the prefixes added.
  • Ask students to give examples of words with the given prefixes.

Guided Practice

  • Give students a set of words with prefixes and have them work in pairs to find the meanings.
  • When finished, have pairs present their findings to the class.

Independent Practice

  • Have students create their own sets of words with prefixes, using the materials provided.
  • Students can choose to create words using Latin or Greek prefixes or both.
  • Have students create three sets of words and present their findings to the class.


  • Review the main points of the lesson: prefixes can change the meaning of a word, and they are often taken from Latin or Greek.
  • Ask students to share one thing they learned about prefixes today.


  • Observe students during independent practice to assess their understanding of prefixes and their ability to use them.
  • Collect and review their posters or presentations to assess their understanding of a specific prefix.

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