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Interactive
Easy Work Sheet

Name the Property

For Students 10th - 12th Standards
In this property worksheet, students examine given problems containing complex numbers.  They identify the property used in the problem.  This one-page worksheet contains 10 problems.
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Worksheet
Easy Work Sheet

Easy Worksheet: Properties

For Students 9th - 12th Standards
In this properties learning exercise, 10 short answer problems are solved. Learners name the property illustrated such as the inverse property or associative property of multiplication.
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Lesson Plan
Curated OER

Radicals: Addition & Subtraction of Complex Numbers

For Teachers 10th - 12th Standards
In this radical worksheet, students simplify complex numbers.  They find the sum and difference of complex numbers.  This two-page worksheet contains 11 multiple-choice problems.  Answers are given on the last page.
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Worksheet
Curated OER

Computation with Real and Complex Numbers

For Students 9th - 12th Standards
For this computation with real and complex numbers worksheet, high schoolers use addition, subtraction, multiplication and division to solve 26 problems with complex numbers to win a bingo game.
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Lesson Plan
Alabama Learning Exchange

Writing Word Equations

For Teachers 9th - 12th Standards
Students explore the concept of chemical formulas.  In this chemical formula instructional activity, students watch a video about balancing chemical equations.  Students conduct an experiment using silver nitrate and sodium phosphate. ...
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Lesson Plan
Curated OER

Complexity

For Teachers 10th - 12th Standards
Students perform mathematical operations on complex numbers. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice performing operations on complex numbers.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Complex Numbers 1

For Students 9th - 10th Standards
Twenty-six problems present a variety of practice working with complex numbers. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
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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.
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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.
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Handout
Paul Dawkins

Paul's Online Notes: Algebra: Preliminaries: Complex Numbers

For Students 9th - 10th Standards
This math tutorial features notes and examples that illustrate complex numbers including standard form, adding, subtracting, multiplying and dividing them.
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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...
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Lesson Plan
National Council of Teachers of Mathematics

Nctm: Illuminations: Axonometry: Applying Complex Numbers to Art

For Teachers 9th - 10th Standards
Axonometry is an illumination that has students discover relationships between complex numbers and graphing. Students make connections between algebraic and graphical representations of a complex number.
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Unit Plan
Cuemath

Cuemath: Complex Numbers

For Students 9th - 10th Standards
A comprehensive guide for learning all about complex numbers with definitions, operations on complex numbers, solved examples, and practice questions.
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Activity
Washington State University

Washington State University: Real Numbers

For Students 9th - 10th Standards
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.
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Activity
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Operations on Real Numbers

For Students 9th - 10th Standards
A tutorial will guide you through the rules and steps for adding, subtracting, multiplying, and dividing real numbers, as well as evaluating numeric expressions and using order of operations. Contains step-by-step solutions to example...
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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Properties of Real Numbers

For Students 9th - 10th Standards
After finishing this tutorial, you'll be well versed in various properties of real numbers: identity and inverse properties, commutative and associative properties, and distributive properties. You'll also know about the various symbols...
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Activity
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Properties of Real Numbers

For Students 9th - 10th Standards
Find definitions and examples of commutative property, associative property, distributive property, identity property, inverse property, and multiplicative inverse. This tutorial also offers practice exercises for you to complete after...
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Activity
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Multiplying Algebraic Expressions

For Students 9th - 10th Standards
The tutorial investigates how to multiply algebraic expressions. Students learn about the concept through class notes and practice problems.
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Activity
Math Medics

S.o.s. Math: The Complex Numbers

For Students 9th - 10th Standards
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....
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Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Numeros Complejos

For Students 9th - 10th Standards
In Spanish. In this unit you will be able to practice interactively the concept of complex numbers in binomial and polar forms.
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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.
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Activity
Discovery Education

Discovery Education: Web Math: Adding Complex Numbers

For Students 9th - 10th Standards
WebMath contains a program that calculates the addition of complex numbers by inputting the problem.
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Activity
Discovery Education

Discovery Education: Web Math: Multiplying Complex Numbers

For Students 9th - 10th Standards
WebMath contains a program that calculates the multiplication of two or more complex numbers by inputting the problem.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Complex Numbers 2

For Students 9th - 10th Standards
Fifteen problems present more practice working with complex numbers. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each...