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Lesson Plan

Imaginary Numbers? What Do You Mean Imaginary?

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This Imaginary Numbers? What Do You Mean Imaginary? lesson plan also includes:

Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.

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CCSS: Designed
Concepts
complex numbers, imaginary numbers
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Additional Tags
imaginary numbers, square root of a negative number, complex numbers, absolute value, properties, conjugates, radical expressions, math
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Instructional Ideas
  • Use the activity to introduce a unit on complex numbers
Classroom Considerations
  • Pupils should be familiar with simplifying radicals
  • Note that the lesson assumes that the class has math journals
Pros
  • Includes a rubric for the activity
  • Suggests an intervention activity for struggling learners
Cons
  • None
Common Core
HSN-CN.A.1 HSN-CN.A.2