Refine Your Results

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

136 resources with the concept complex numbers

Videos (Over 2 Million Educational Videos Available)
Algebra 50 - Three Variable Systems in the Real World - Problem 2 Video
10:23
Algebra 50 - Three Variable Systems in the...
Defining Gravity Video
3:11
Defining Gravity
Population Genetics Video
2:45
Population Genetics
Other Resource Types (136)
+
13 Items in Course
Lesson Planet: Curated OER

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...
+
22 Items in Unit
Lesson Planet: Curated OER

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...
+
Assessment
Lesson Planet: Curated OER

Quiz 2: Types of Functions

For Students 9th - 12th Standards
Here is a resource that provides the structure of an assessment with the convenience of a full answer key. The focus is on rational, exponential, and logarithm functions with a few questions on solving polynomials. 
+
Assessment
Lesson Planet: Curated OER

Quiz 1: Types of Functions

For Students 9th - 12th Standards
Sometimes the best things are already done for you! Here is a six-problem quiz that has a variety of problems ranging from solving quadratic equations to interpreting a function. The piece-de-resistance is the worked out answer key in...
+
Worksheet
Lesson Planet: Curated OER

Complex Number Maze

For Students 9th - 12th Standards
This is a to-the-point complex number skills learning exercise 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...
+
PPT
Lesson Planet: Curated OER

Vectors

For Teachers 10th - 12th Standards
Complex numbers bridge so many concepts as learners edge into higher-level math. Here, their polar and rectangular forms link through vector notation, and the arithmetic of vectors is born. These basic math skills translate into a...
+
Unit Plan
2
In 2 Collections
Lesson Planet: Curated OER

Quadratic Equations

For Teachers 10th - 12th Standards
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
+
Instructional Video4:44
Lesson Planet: Curated OER

Complex Numbers (Part 2)

For Students 9th - 11th
This video continues looking at dividing complex numbers by looking at the conjugate of a complex number. The instructor then uses the conjugate to rationalize the denominator of a rational expression with a complex number in the...
+
Instructional Video11:53
Lesson Planet: Curated OER

Exponential Form to Find Complex Roots

For Students 10th - 12th
Sal solves the problem x^3 = 1 for all of the real and complex roots using the exponential form of the complex number. He shows how the roots found in exponential form are the same as those in a more traditional form of a complex number...
+
Instructional Video10:10
Lesson Planet: Curated OER

Complex Numbers (Part 1)

For Students 9th - 11th
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He starts showing how to divide two complex numbers, but runs out of time and continues...
+
Instructional Video12:58
Lesson Planet: Curated OER

Complex Determinant Example

For Students 10th - 12th
Sal solves a complex determinant problem from the 2010 IIT entrance test. Knowledge of determinants, the exponential form of complex numbers, trigonometric ratios, and algebraic thinking are all utilized here.
+
Instructional Video8:04
Lesson Planet: Curated OER

Complex Conjugates

For Students 10th - 12th
Sal discusses the usefulness of the conjugate of the complex number is this video. First, he shows both graphically and algebraically adding a complex number and its conjugate. Then, he shows how to simplify a rational expression with...
+
Instructional Video13:04
Lesson Planet: Curated OER

Basic Complex Analysis

For Students 10th - 12th
This video gives an excellent overview of the different representations of a complex number. First, Sal reviews a pictorial representation of a complex number as an Argand diagram, then shows how to find the modulus and the argument of a...
+
Instructional Video5:20
Lesson Planet: 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 Video8:58
Lesson Planet: Curated OER

Complex Numbers (Part 2)

For Students 9th - 11th
This video continues looking at dividing complex numbers by looking at the conjugate of a complex number. The instructor then uses the conjugate to rationalize the denominator of a rational expression with a complex number in the...
+
Instructional Video7:21
Lesson Planet: Curated OER

Complex Numbers (Part 1)

For Students 9th - 11th
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He starts showing how to divide two complex numbers, but runs out of time and continues...
+
Instructional Video5:20
Lesson Planet: 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.
+
Worksheet
2
In 2 Collections
Lesson Planet: Curated OER

Unit 6 Review: Complex Numbers

For Students 9th - 12th Standards
Complex numbers don't have to live up to their name. The final lesson in the unit is a review of concepts related to imaginary and complex numbers. Items include review of operations with imaginary numbers and solving quadratic equations...
+
Instructional Video24:07
2
In 2 Collections
Lesson Planet: Curated OER

Quadratic Formula

For Students 9th - 12th Standards
The quadratic formula is what works—always. Instruct your classes on the application of the quadratic formula using a thorough video lesson followed by provided practice problems. The lesson connects algebraic solutions to graphical...
+
Instructional Video16:11
2
In 2 Collections
Lesson Planet: Curated OER

Complex Numbers

For Students 9th - 12th Standards
Simplify the complex with a thorough video lesson. Individuals view a lesson on complex numbers and then use a provided set of practice problems to show what they've learned. The lesson includes instruction on using the four basic...
+
Instructional Video16:57
2
In 2 Collections
Lesson Planet: Curated OER

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...
+
eBook
Lesson Planet: Curated OER

College Algebra

For Students 9th - Higher Ed Standards
Is there more to college algebra than this? Even though the eBook is designed for a college algebra course, there are several topics that align to Algebra II or Pre-calculus courses. Topics begin with linear equation and inequalities,...
+
eBook
Lesson Planet: Curated OER

Precalculus

For Students 11th - Higher Ed Standards
Take a step beyond Algebra 2. Learners use the eBook to learn concepts from the typical Precalculus course. Content starts off with a short review of functions in general and moves on to the basic functions, finishing up with more...
+
eBook
Lesson Planet: Curated OER

Algebra and Trigonometry

For Students 10th - Higher Ed Standards
Move on into trigonometry. An informative eBook takes the content of a College Algebra course and adds more relating to trigonometry and trigonometric functions. The content organization allows pupils to build upon their learning by...