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Common Core · High School Number and Quantity · The Complex Number System

Standard N.CN.B.5

Free lessons and printable worksheets aligned to Common Core math standard N.CN.B.5.

3 lessons2 worksheets

Lessons for N.CN.B.5

Complex numbersNumbers built from a square root of negative one.Lesson
The complex plane, modulus and argumentThe real part reads across and the imaginary part reads up.Lesson
Multiplying, powers and De Moivre's theoremUsing the theorem to work out a high power without repeated multiplication.Lesson

Printable Worksheets

The complex plane, modulus and argument worksheet (PDF)Printable worksheet with answer keyPreview
Multiplying, powers and De Moivre's theorem worksheet (PDF)Printable worksheet with answer keyPreview