Instructional Video

Rationalize the Denominator Using Conjugate Method

Curated and Reviewed by Lesson Planet

Explore properties of conjugates and utilize them to rationalize denominators. The video tutorial begins with an introduction to a conjugate. It then shows the process of using the conjugate to rationalize denominators by working through two examples.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Begin with an exploration of conjugate multiplication; include both polynomials and radical expressions
  • Flip your classroom by assigning the video as homework and save class time for questions and practice
Classroom Considerations
  • Learners must be proficient with multiplying two binomials
  • Be sure individuals have Internet access at home if flipping the classroom
  • This video is hosted on YouTube
Pros
  • Explains each step in the process and shows all work
  • Emphasizes procedure and vocabulary throughout the lesson
Cons
  • None
Common Core