Least Common Multiple and Greatest Common Factor

Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect these concepts to factor trees and the distributive property. 

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CCSS: Designed
Instructional Ideas

  • Have the class create a graphic organizer distinguishing between LCM and GCF
Classroom Considerations

  • Some materials are necessary, including chart paper, markers, and multiplication tables
  • Stations need to be set up before class
  • 19th installment in a module of 21 parts
Pros

  • Provides roles for group members
  • Includes link to factor tree app
Cons

  • None
Common Core