This lesson may be useful to both persons with prior knowledge of complex numbers and those without. The lesson begins with the definition of complex numbers and its notation, then gives the rules of arithmetic for them with exercises....

This section includes operations with imaginary and complex numbers and plotting numbers on the complex plane.

Learn about real numbers with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.

For this lesson, students will create and solve a word problem related to adding and subtracting within 1,000, develop a script for a short scene using dialect, and perform it using the elements of performance, specifically acting,...

The students will choose one of the systems of the human body, such as circulatory, respiratory, digestive, or nervous system, and imagine that they are inside it. They will write a description of what a journey through this system of...

Charles Simonds imagines a race of people he calls the Little People, who have their own history, beliefs, and ways of life. His sculptures, such as Number II (Ritual Furnace), represent their environment and the architecture they...

A wealth of material to help you plan classroom instruction on complex numbers: several lessons that cover the number i, square roots of negative numbers, and operations involving complex numbers; practice activities, some of which...

These examples use the quadratic formula to solve quadratic equations. Learn what to do when the solution includes a complex number. Use the practice page and teacher resource page to enhance the lesson.

Two characters from "Country Dog Gentlemen" lead you on explorations of artwork by Frida Kahlo, Jackson Pollock, and Sargent Johnson. Accompanying interactive invites you to create your own masterpiece inspired by these artists and to...

Explore complex numbers with this easy reference guide. Learn that complex numbers lie on a two-dimensional flat plane and have two components called the real and imaginary parts. Provides definitions and interactive activities that...

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...

At MathWords.com, a definition is given for what complex numbers are, along with some examples.

Discusses what numbers are and how our understanding of them has evolved over thousands of years, from simple counting to negative numbers and irrational numbers, for example. Includes a set of practice questions where students identify...

Contains detailed information on absolute values for complex numbers.

This tutorial presents the absolute value of complex numbers using formulas, graphs, and examples. There are practice problems and a teacher resource page to assist students in understanding the concept.

This section introduces imaginary and complex numbers in the context of solutions to quadratic equations that don't have real-number solutions.

Students research the history behind number systems and create their own systems in the role of a mathematics expert sent to help an imaginary society. A fun way to learn the importance of number systems.

[Free Registration/Login may be required to access all resource tools.] Represent complex numbers on the complex plane in rectangular and polar form (including real and imaginary numbers), and explain why the rectangular and polar forms...

Two lonely children create an imaginary kingdom for themselves in the woods. Selected (7) reading passages (grades 5-8) to pair with "Bridge to Terabithia" by Katherine Patterson. [Free account registration required for specific tools.]

A complete explanation of complex numbers that includes lessons on adding, subtracting, multiplying, and dividing them, as well as more advanced topics.

[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.

[Free Registration/Login may be required to access all resource tools.] This lesson covers the powers of i, and adding and subtracting complex numbers, as well as how to plot them in the complex plane. Students examine guided notes,...

The world of complex numbers is explored through mini lessons, interactive examples, applications and demonstrations. Topics covered include definitions, basic operations, graphing, different forms of complex numbers, products,...

A brief explanation of complex numbers.