Lesson Length: 30 - 40 mins
Topic: Operations & Algebraic Thinking- Factors pairs/ Prime or Composite Numbers
Grade Level: 4
Brief Description: In this lesson, 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.
- Next, have students work in pairs, taking turns providing numbers for their partner to determine the factors of. Is the number prime or composite?
Activity: It’s time to create Prime and Composite Number Comics.
- Give each student a pair of dice
- Have them roll the dice to create a two digit number (one number from each die)
- Students will now create a 4 frame comic
- In the first frame, students will explain the difference between prime and composite numbers by providing a definition/explanation in their own words.
- In each of the following comic frames, students will share the number they rolled, determine if it is prime or composite and provide the factors.
- Students will repeat this process for 3 separate numbers.
Closure: Have students share their favorite frame with a partner.
- Provide definition 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.
- Allow students to use speech-to-text feature.
Resources: Comic to print or display: Comic 1.