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Lesson Plan
Curated OER

Complex numbers in polar form

For Teachers 9th - 12th
Young scholars plot complex numbers in the polar plane. They convert complex numbers in polar form to rectangular form. Students plot coordinates in the polar plane. They plot complex numbers in the complex plane. Young scholars are...
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Lesson Plan
Curated OER

Complex numbers in polar form

For Teachers 9th - 12th
Students plot complex numbers in the polar plane. They are asked to list what they believe are the five most famous numbers in mathematics. Students are explained that generally accepted that the five most famous numbers in mathematics...
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Worksheet
Curated OER

Computation with Real and Complex Numbers

For Students 9th - 12th Standards
In this computation with real and complex numbers instructional activity, students use addition, subtraction, multiplication and division to solve 26 problems with complex numbers to win a bingo game.
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Worksheet
Kuta Software

Properties of Complex Numbers

For Students 11th - 12th Standards
In this worksheet, students evaluate complex (signed and imaginary) numbers.  In addition, they are asked to graph complex numbers as well as identify a complex number on a presented graph.
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Worksheet
Curated OER

Graphing and Absolute Value of Complex Numbers

For Students 10th - 12th
In this graphing and absolute value worksheet, students graph complex numbers and find the absolute value of complex numbers. Students complete 12 problems total.
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Lesson Plan
Curated OER

Sixty-Eight Solving Equations and Performing Operations With Complex Numbers

For Teachers 10th - 12th
In this complex numbers worksheet, students classify numbers, perform operations on complex numbers, and find complex solutions to equations, in sixty-eight problems.
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Lesson Plan
Curated OER

Complex Numbers - Week 5

For Teachers 10th - 11th
In this complex numbers worksheet, learners solve problems involving polynomials, real constants containing imaginary numbers, and find the complex number that satisfies a given equation. This two-page worksheet contains seven problems.
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Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve 10 different types of problems that include complex numbers in standard form. First, they state the values of the a and b components for each complex number when the number is in a...
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Worksheet
Curated OER

Operations with Complex Numbers

For Students 10th - 11th
In this complex numbers worksheet, students simplify thirty complex number expressions and answer two critical thinking questions.  The solutions are provided.
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Worksheet
Curated OER

Math 321 Spring 98. Complex Numbers

For Students Higher Ed
In this complex numbers instructional activity, students find the solutions to polynomials and write them in rectangular and exponential form. This two-page instructional activity contains two problems.
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Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve 10 different problems that include determining the absolute value of each equation. First, they convert the number to the a+bi form. Then, students select the coefficients for a and b....
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Worksheet
Curated OER

Complex Numbers

For Students 10th - 12th
For this complex numbers worksheet, students simplify the expressions of complex numbers and use the answers to answer a riddle. Students complete 15 problems.
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Worksheet
Curated OER

Algebra II Test covering Radicals, Complex Numbers, and Finding Roots of Quadratics

For Students 10th - 12th
In this algebra two worksheet, students solve twenty-five problems in test format.  The worksheet covers radicals, complex numbers, and finding roots of quadratics.
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Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve 10 different problems that include addition and subtraction of these numbers. First, they add or subtract the coefficients of similar terms algebraically. Then, students remove the...
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Worksheet
Curated OER

Topic 5.9 and 5.10 - Complex Numbers

For Students 7th - 9th
In this complex numbers activity, students solve problems in which they either simplify or solve algebraic expressions. There are 15 questions on this activity.
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Worksheet
Ms. Fuentes Math Classroom

Complex Number Maze

For Students 9th - 12th Standards
This is a to-the-point complex number skills worksheet with a fun addition of completing a maze. Learners solve problems to determine if answers are imaginary or not, in order to work their way through the maze. An average level of...
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Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve 10 different problems related to various complex numbers. First, they multiply and divide various types of complex numbers. Then, students determine the multiplicative inverse of each...
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Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve and graph 10 different problems that include various complex numbers. First, they represent each of the problems shown as complex numbers graphically. Then, students graphically add...
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Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers worksheet, 9th graders solve 10 different problems that include either adding or subtracting complex numbers. First, they determine the sum of the real components. Then, students determine the sum of the imaginary...
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Worksheet
Curated OER

Math 312 Spring 2004: Complex Numbers

For Students 12th - Higher Ed
For this complex numbers worksheet, students complete proofs for complex numbers, sketch points which solve an equation, compute and sketch an Argand diagram. This two-page worksheet contains five multi-step problems.
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Worksheet
Curated OER

Math 312 Spring 95 - Complex Numbers

For Students Higher Ed
In this complex number worksheet, students explore complex numbers and sketch a set of points which solve in the equation. This one-page worksheet contains five problems.
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Worksheet
Curated OER

Complex Analysis: Properties of Complex Numbers

For Students Higher Ed
In this properties of complex numbers worksheet, students list and explain the properties and operations used to compute the value of expressions. This one-page worksheet contains six definition questions and three equations.
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Interactive
CK-12 Foundation

DeMoivre's Theorem and nth Roots: The nth Roots of Unity

For Students 11th - Higher Ed
The nth roots of unity all have a magnitude of one. Scholars use the unit circle and DeMoivre's Theorem to find the complex roots of one and discover that the complex numbers all lie on the unit circle and are equally spaced around it...
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Lesson Plan
EngageNY

A Surprising Boost from Geometry

For Students 10th - 12th Standards
Working with imaginary numbers — this is where it gets complex! After exploring the graph of complex numbers, learners simplify them using addition, subtraction, and multiplication. 

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