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    Factor Finder

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    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.

    Hook:

    • 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. 

    Activity:

    • 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.

    Closure:

    • Have students share their comic with a partner.

    Differentiation:

    • 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.

    Resources:

    • Comic to print or display: Comic.

    Suggested Content Packs:

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    Related Ideas

    Dare to Compare: Comparing Fractions

    In this lesson, students will work in pairs to explain how to create common denominators and compare fractions. Students will show the calculations used to create common denominators on a separate worksheet.