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.

Concepts

simplifying fractions, factors, equivalent fractions, factor trees, prime factors, multiplication fractions

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Additional Tags

math

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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

4.NF.A.1