Lesson plan


This introductory lesson on suffixes is sure to get your young scholars excited about root word modification. Students will work both independently and in pairs as they work on a bunch of fun worksheets.
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Students will able to identify suffixes and their meanings and properly add them to root words.

(3 minutes)
  • Ask students to discuss the definition of root word. Give them time to share their ideas, and then review the meaning and examples with them.
  • Read aloud the Learning Objective and have students repeat it. Explain that students will be playing with words and different word parts today to figure out the meaning of new words they create.
(10 minutes)
  • Introduce the concept of a suffix, which is a set of letters that comes after the root word and changes its meaning. Give an example: "big," "bigger," and "biggest" mean different things.
  • Write on the board: "A suffix can change the part of speech of the root word."
  • Give the following examples: "teach" is a verb, while "teacher" is a noun. "React" is a verb, while "reaction" is a noun.
  • Write a list of common suffixes you would like students to learn, such as -ful, -less, -y, -ly, -able. Share the meaning of each of the suffixes and provide examples of words using each suffix.
  • Display the top portion of the Part of the Job worksheet on the document camera. Share the meaning of each of the suffixes, and then model thinking aloud about the correct suffix for each root word. Then share the meaning of each new word that was created with the addition of the suffix.
(10 minutes)
  • Distribute a copy of the Grammar: Suffixes worksheet to each student and display a copy on the document camera. Put students into small groups of three to four students.
  • Guide students through the first few examples in each section of the worksheet together, and then ask them to work together in their groups to complete the remainder of each section.
  • Go over the answers as a class by calling on nonvolunteers. Call on other students to share whether they agree or disagree with the answer, and have them explain why.
(10 minutes)
  • Hand out the Circle the Suffixes worksheet to each learner and have them complete it independently.
  • Circulate and provide support and feedback as necessary.


  • Ask students to maintain a list of suffixes for the duration of the lesson. They can add the suffixes they know, in addition to any they learn about while completing the worksheets. Then, challenge them to come up with a list of words with those suffixes.


  • Pull struggling students aside and help them complete the worksheets. Reteach when needed.*
(5 minutes)
  • Give each student an index card for the Exit Ticket and instruct them to write a sentence using one of the following suffixes: -ful, -less, or -able. Have them circle the word with the suffix.
  • Utilize the completed worksheet from Independent Practice as a formative assessment of students' mastery of the Learning Objective.
(2 minutes)
  • Ask students to turn to a shoulder partner to review the definition of suffix and come up with two examples of words with suffixes. Call on nonvolunteers and have them share out with the class.
  • Explain that when we understand the meaning of certain word parts, it helps us to understand the meaning of new words. This helps us build a better vocabulary!

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