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.

Concepts

imaginary numbers, complex numbers, simplifying expressions, square roots

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Additional Tags

math

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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

HSN-CN.B.4