Complex Numbers

Tools

1 ready to use.

Imaginary Island

Every spot on the island is a complex number. Adding walks you a fixed step, times i swings you a quarter turn around the harbor, and squaring sends you spiraling out to sea.

Math Grade 11 Map

Word Wall

6 words in English and Spanish: complex number, imaginary unit, complex conjugate, real part, complex plane, complex solution. Print them as wall cards, mini cards or a student glossary.

Print the words

Lesson plans

One class period each, built around a tool. Print them, change them, share them.

• Imaginary Island50 minutes · I can add, multiply and conjugate complex numbers, see multiplication by i as a turn on the complex plane, and locate the complex solutions of a quadratic.