Build an understanding of factors and use it to write the prime factorization of numbers. After exploring key vocabulary, learners create prime factorization for given numbers. They then use the prime factorizations to determine the greatest common factor. 

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CCSS: Adaptable
Instructional Ideas

  • Begin by asking scholars to write the factors of individual numbers; repeat until all have mastered this task
  • Allow pupils to use mini whiteboards when writing prime factorizations to locate misconceptions easily
Classroom Considerations

  • Ensure your classes understand the vocabulary before asking them to complete the problems
  • The ninth lesson in this series

  • There is a focus on vocabulary
  • Uses a reasonable progression and scaffolding to develop the main objective

  • Does not provide examples of real-life application or connections
Common Core