20 Items in Unit
Lesson Planet Curated

#### Common Core Algebra 2, Unit 6: Complex Numbers

For Teachers 9th - 12th Standards
Three lessons and a review make up Unit 6: Complex Numbers in the Common Core Algebra II series. Designed for the flipped classroom, topics covered are Imaginary Numbers, Complex Numbers, and the Quadratic Formula. Videos explain to the...
13 Items in Course
Lesson Planet Curated

#### Flipped Math: Common Core Algebra 2

For Teachers 9th - 12th Standards
Algebra 2 pupils will flip over a 13-unit course that addresses Common Core standards designed for out-of-class learning. The first-semester unit covers polynomials, polynomial functions, radicals, transformations of functions, and...
Instructional Video5:20
Curated OER

#### Introduction to I and Imaginary numbers

For Students 9th - 11th
Students are always fascinated by imaginary numbers. In this video, Sal defines the imaginary unit, i, and shows when raising i to an exponent it has a cyclic nature.
Instructional Video5:20
Curated OER

#### Introduction to I and Imaginary numbers

For Students 9th - 11th
Students are always fascinated by imaginary numbers. In this video, Sal defines the imaginary unit, i, and shows when raising i to an exponent it has a cyclic nature.
Lesson Plan
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Alabama Learning Exchange

#### Imaginary Numbers? What Do You Mean Imaginary?

For Teachers 9th - 12th Standards
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
Instructional Video5:47
Welch Labs

#### Imaginary Numbers Are Real (Part 1: Introduction)

For Students 9th - 12th Standards
What are imaginary numbers? An introductory video provides an explanation as to why we need imaginary numbers to solve equations, and makes the connection between the need for zero, negative numbers, and rational numbers throughout history.
Worksheet
Kuta Software

#### Imaginary Numbers

For Students 9th - 12th Standards
Here is a worksheet that takes all aspects of quadratic functions and incorporates imaginary numbers into the problems. The problems range from simplifying to graphing and solving by using a variety of methods with imaginary and complex...
Instructional Video5:41
Welch Labs

#### Imaginary Numbers Are Real (Part 9: Closure)

For Students 9th - 12th Standards
The last video in a series about imaginary numbers demonstrates the need for complex numbers. Math pupils learn that they need to include the square root of negative one, the building block of the complex numbers, to have a set of...
Worksheet
Kuta Software

For Students 9th - 12th Standards
Looking for straightforward practice on simplifying radicals and imaginary numbers? Here are 20 problems to practice these skills and an answer key for the odd-numbered questions.
Instructional Video16:57
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Flipped Math

#### Imaginary Numbers

For Students 9th - 12th Standards
Leave nothing to the imagination! Learners view a thorough lesson on imaginary numbers that introduces the concept, shows how to simplify square roots of negative numbers, and then how to solve quadratic equations with imaginary...
Instructional Video4:42
Welch Labs

#### Imaginary Numbers Are Real (Part 3: Cardan's Problem)

For Students 9th - 12th Standards
Were complex numbers discovered or invented? A video presentation makes the case for the discovery of square roots of negative one. In order for complex numbers to be real, then they must behave like other numbers, which they do in terms...
Instructional Video6:51
Krista King Math

#### Imaginary Numbers

For Students 9th - 12th Standards
Scholars learn to use their imagination in math class! The tutorial explains the origin of the number i and then simplifies expressions that include imaginary numbers. The examples include i raised to different powers, giving viewers...
Lesson Plan
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1
Alabama Learning Exchange

#### Classifying Complex Numbers

For Teachers 10th - 12th Standards
Imaginary numbers are a real thing. Scholars learn about complex numbers, real numbers, and imaginary numbers. They classify given numbers as strictly complex, strictly real, or strictly imaginary in an individual or group activity.
Worksheet
Curated OER

#### Chapter 9 - Objective 3.1 Radicals & Imaginary Numbers

For Students 11th - 12th
In this imaginary numbers worksheet, students solve radical equations containing imaginary numbers. They multiply, divide, subtract and add problems. This one-page worksheet contains ten problems.
Worksheet
Curated OER

#### Quadratic Formula with Imaginary Numbers

For Students 8th - 10th
In this quadratic equation worksheet, students use the quadratic formula to solve 6 fill in the blank problems that involve imaginary numbers.
Instructional Video5:16
Welch Labs

#### Imaginary Numbers Are Real (Part 2: A Little History)

For Students 9th - 12th Standards
In some cases, a square root of a negative number must exist in order to determine the roots of a cubic equation. An educational presentation provides a specific example of a cubic with a known root to have an understanding of a square...
Instructional Video2:57
Welch Labs

#### Imaginary Numbers Are Real (Part 4: Bombelli's Solution)

For Students 9th - 12th Standards
Is the square root of negative one crucial to the process of finding other solutions? Using the properties of the newly discovered square root of negative one, historical mathematician Bobelli is able to solve Cardan's problem. His...
Worksheet
Curated OER

#### Imaginary Numbers

For Students 11th
In this Algebra II worksheet, 11th graders solve problems that involve determine the value of expression involving the imaginary unit.  The one page worksheet contains three multiple choice questions.  Answers provided.
Lesson Plan
Curated OER

#### Imaginary Numbers

For Teachers 11th
In this Algebra II worksheet, 11th graders explain how every real number is also a complex number.  The one page worksheet contains one problem with solution.
Lesson Plan
Curated OER

#### The Complex Numbers

For Teachers 9th - 10th
In this algebra worksheet, students solve 16 problems involving imaginary numbers. In the first three, students find the square root of 3 negative numbers in terms of i. Nine problems involve addition, subtraction, multiplication and...
Instructional Video4:40
Welch Labs

#### Imaginary Numbers Are Real (Part 8: Math Wizardry)

For Students 9th - 12th Standards
How does the Fundamental Theorem of Algebra apply to equations with complex roots? Using recently learned concepts about the complex plane, learners determine all the complex roots of polynomials. They can find the same roots as...
Worksheet
Curated OER

#### Complex and Imaginary Numbers

For Students 11th - 12th
In this complex and imaginary numbers worksheet, students multiply and divide imaginary and complex numbers. They solve equations containing imaginary numbers. Students determine the roots, sum and product of the roots and the roots of...
Unit Plan
EngageNY

#### Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
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.