Subject: Math

Lesson Length: 30 - 40 mins

Topic: Operations and Algebraic Thinking; Factor Pairs/ Prime or Composite Numbers

Grade Level: 4

Standards / Framework:

Brief Description: Students will learn about prime and composite numbers and their factors.

Know Before You Start: This lesson is a great introduction to prime and composite numbers. Pairs of dice will be needed.


  • Read and discuss the sample comic.

    • What’s the difference between a prime and composite number?

    • Is Maggie correct about the buses? 

  • Practice finding the factors of prime and composite numbers as a class.

  • Have students work in pairs, taking turns providing numbers for their partner to determine if it is a prime or composite number and provide the factors. 


  • Give each student a pair of dice.
  • Have students roll the dice to create a two digit number (one number from each die.)
  • Students will now create a four-panel comic
    • In Panel 1: Have students explain the difference between prime and composite numbers by providing a definition/explanation in their own words.
    • In each of the following panels, students will share the number they rolled, determine if it is a prime or composite number and provide the factors.
    • Students will repeat this process for three separate numbers.


  • Have students share their comic with a partner.


  • Allow students to use the speech-to-text feature.
  • Allow students to use the voiceover feature to read their comics aloud.
  • Provide the definitions of prime and composite numbers for students. 

  • Provide a prime and composite number chart. 

  • Provide sentence stem: "____ is a prime/composite number because _______."

  • Allow students to work in pairs.


  • Comic to print or display: Comic.