Build on your class' understanding of real numbers as they begin working with complex numbers. Pupils begin with an exploration of i and the patterns in the powers of i. After developing a definition for i, they simplify complex number expressions.

Concepts

complex numbers, imaginary numbers, voltage

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Additional Tags

math

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Instructional Ideas

• Ask learners to create their own power of i tables
• Create sets of flash cards for vocabulary and skill practice

Classroom Considerations

• Requires a large amount of vocabulary background knowledge that may necissitate extra instruction for ELL pupils

Pros

• Provides real-life practice examples as an extension exercise
• References algebraic properties in relation to complex numbers

Cons

• None