Handout
Johan Claeys

Math Abundance: A Representation of a Complex Number

For Students 10th - 12th Standards
Includes a short summary on the representation of a complex number.
Unit Plan
CK-12 Foundation

Ck 12: Polar Form of a Complex Number

For Students 11th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you will learn how to convert complex numbers from rectangular form to polar form. You will also explore the graphs of complex numbers on a polar graph.
Handout
Purple Math

Purplemath: Complex Numbers: Introduction

For Students 9th - 10th Standards
This website provides an in-depth lesson on complex numbers. You learn about simplifying, adding, and multiplying complex numbers by viewing example problems that are worked through step-by-step. Continue on to pages 2 and 3 which...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Complex Numbers

For Students 9th - 10th Standards
Use this tutorial to learn what imaginary and complex numbers are, how to write them, and how to perform operations with them. Offers step-by-step examples, video explanations of the examples, and practice questions with answers.
Handout
Oswego City School District

Regents Exam Prep Center: Multiply and Divide Complex Numbers

For Students 9th - 10th Standards
This tutorial shows students how to multiply and divide complex numbers and includes the topic of conjugates. Includes link to a graphing calculator tutorial.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 1.6 the Complex Plane

For Students 9th - 10th Standards
This section includes operations with imaginary and complex numbers and plotting numbers on the complex plane.
Handout
Johan Claeys

Math Abundance: An Introduction to Complex Numbers

For Students 9th - 10th Standards
A complete explanation of complex numbers that includes lessons on adding, subtracting, multiplying, and dividing them, as well as more advanced topics.
Unit Plan
CK-12 Foundation

Ck 12: Products and Quotients of Complex Numbers

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] A collection of resources for learning about and practicing how to multiply and divide complex numbers.