Suffix Lesson Plan

Instructor: Sharon Linde

Sharon has a Masters of Science in Mathematics

Use this lesson plan to help you teach your students all about suffixes. Students will read an informational text that defines the term and includes reading samples, then work through examples in a guided learning experience. A fun game follows the lesson.

Learning Objectives

After this lesson, students will be able to:

  • define 'suffix'
  • add suffixes to words accurately
  • define words with suffixes based on their root words


50 minutes


  • Copies of the lesson Suffixes Lesson for Kids: Definition & Examples
  • Index cards with root words and suffixes listed in the lesson, one class set
  • Fish shapes with root words written on them, one set for each group
  • Large blue construction paper, cut into circles with suffixes written on them; one set for each group.

Key Vocabulary

  • Suffix
  • Root word

Curriculum Standards

  • CSS.ELA-Literacy.L.3.2.e

Use conventional spelling for high-frequency and other studied words and for adding suffixes to base words (e.g., sitting, smiled, cries, happiness).

  • CCSS.ELA-Literacy.RF.3.3.a

Identify and know the meaning of the most common prefixes and derivational suffixes.


  • Write the word 'teacher' on the board and ask students to try to find a smaller word within the whole. Allow one student to come to the board and circle the root word.
  • Tell students that many words are made up of two parts - the root word and an added ending, the suffix.
  • Display or distribute the lesson and read the first section 'What is a Suffix?' together. Discuss:
    • What does adding a suffix do to a word?
    • Why do we add suffixes to words?
  • Now read the next section 'How Does it Work?' and discuss:
    • How did we make 'teach' into 'teacher?'
    • What is the difference between the words 'teach' and 'teacher?'
  • Distribute suffix and root words index cards to students, then read through the 'Examples' and 'More Examples' sections, allowing students with the corresponding root word and suffix to come to the front of the group to assemble the word. As many suffixes and root words will be the same, have students take turns.
  • Place words in a pocket chart or affix to the board after assembly.
  • Allow students to find the suffixes in the 'Now You Try' section and finish reading the lesson.

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