Instructional Video

Reducing Fractions and Cancellation

Curated and Reviewed by Lesson Planet

Discover the importance of prime factorization when working with fractions. Learners see how finding the prime factors aids in the process of simplifying and multiplying fractions. The instructor demonstrates the process of multiplying by breaking each number down into prime factors and eliminating like factors in the numerator and denominator.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Pause the video after simplifying fractions to allow learners to practice before multiplying
  • Create a set of problems to provide independent practice
Classroom Considerations
  • Expects an understanding of creating factor trees to find the prime factorization of numbers
  • This video is hosted on YouTube
Pros
  • Uses color to highlight the different steps when simplifying and multiplying
Cons
  • Screen gets cluttered by the end of the video, which may be distracting to some pupils
Common Core