Instructional Video

Imaginary Numbers

Curated and Reviewed by Lesson Planet

Scholars learn to use their imagination in math class! The tutorial explains the origin of the number i and then simplifies expressions that include imaginary numbers. The examples include i raised to different powers, giving viewers plenty of examples to better understand the concept.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Flip your classroom by assigning the video as homework and using class time for practice and questions
  • Create a set of practice problems that model the examples in the video
Classroom Considerations
  • Learners should have a strong understanding of square roots
  • If flipping the classroom, all students need Internet access at home
  • This video is hosted on YouTube
Pros
  • Begins with developing the definition of the imaginary number i
Cons
  • Examples start right away with multiple steps, which may be too big of a jump for many pupils
Common Core