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170 reviewed resources for dividing complex numbers

Lesson Planet

Can You Hear Me Now? Using Cell Phone Signals to Divide Complex Numbers

For Students 9th - 12th Standards
Without complex numbers, cell phones could not function. Scholars learn to divide complex numbers by applying them to the wavelengths of cell phone signals. They work to develop a method of division incorporating the conjugate. Then,...
8:58
Lesson Planet

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...
8:58
Lesson Planet

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...
Lesson Planet

Complex Numbers in Polar Form; DeMoivre’s Theorem

For Teachers 10th - 12th Standards
The iconic links between trig functions and complex numbers are introduced in a lesson on the basic properties of complex numbers in polar form. Quickly progressing through the polarization of complex coordinates, a bulk of the worksheet...
1 In 1 Collection
Lesson Planet

Complex Numbers

For Teachers 9th - 12th Standards
The class practices, on paper and/or on a TI graphing calculator the concepts of how to add, multiply, divide and subtract complex numbers using the correct property.
Lesson Planet

Complex Numbers

For Teachers 10th - 12th Standards
Learners are introduced to the concept of imaginary unit and complex numbers. They are taught how to add and subtract complex numbers. Young scholars define a complex number. They comprehend at least two applications of complex numbers....
EngageNY

Complex Number Division 2

For Teachers 11th - 12th Standards
Individuals learn to divide and conquer complex numbers with a little help from moduli and conjugates. In the second activity on complex number division, the class takes a closer look at the numerator and denominator of the...
EngageNY

Complex Number Division 1

For Teachers 11th - 12th Standards
Conjugating in the math classroom — and we're not talking verbs! The seventh lesson in a series of 32 introduces the class to the building blocks of complex number division. During the instruction, the class learns to find the...
7:21
Lesson Planet

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...
10:10
Lesson Planet

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...
Lesson Planet

Multiplying and Dividing Complex Numbers

For Teachers 8th - 11th Standards
Students solve quadratic using multiplication and division. In this algebra instructional activity, students perform operation with complex numbers. They factor quadratics using the quadratic formula.
7:22
Lesson Planet

Complex Numbers - Multiplying and Dividing

For Teachers 8th - 12th
Algebra In action! Watch the step-by-step process needed to multiply and divide complex numbers. The FOIL method is used to solve two different practice problems involving multiplication and multiplying by the conjugation is used to...
1 In 1 Collection
EngageNY

Complex Numbers and Transformations

For Teachers 9th - 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 Planet

Dividing Larger Numbers

For Students 5th - 6th Standards
As math scholars begin taking on more complex division problems, it's time to cover the different ways to show remainders. Here, they complete eight long-division equations with a fraction remainder and then eight more with a unit...
Lesson Planet

Representation of Complex Numbers

For Teachers 9th - 12th
Learners write complex numbers in standard form. They add, subtract, multiply and divide complex numbers correctly.
4:25
Lesson Planet

Imaginary Numbers Are Real (Part 7: Complex Multiplication)

For Students 9th - 12th Standards
Multiplying complex numbers geometrically is complicated. Find an easier way with a short video that explains the process of multiplying complex numbers on the complex plane. The connection with the process and the angles and moduli sets...
Lesson Planet

Computation with Real and Complex Numbers

For Students 9th - 12th Standards
In this computation with real and complex numbers worksheet, students use addition, subtraction, multiplication and division to solve 26 problems with complex numbers to win a bingo game.
Lesson Planet

Complex Numbers

For Students 9th
In this complex numbers learning exercise, 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...
1 In 1 Collection
EngageNY

Applying the Properties of Operations to Multiply and Divide Rational Numbers

For Teachers 7th Standards
Use properties to evaluate several multiplications and divisions. The 16th instructional activity in a series of 25 shows scholars how they can use properties of operations to help evaluate complex numerical expressions involving...
EngageNY

Comparing Methods—Long Division, Again?

For Students 10th - 12th Standards
Remember long division from fifth grade? Use the same algorithm to divide polynomials. Learners develop a strategy for dividing polynomials using what they remember from dividing whole numbers.
Lesson Planet

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...
2:18
Lesson Planet

How Do You Simplify a Fraction Over a Whole Number?

For Teachers 6th - 12th
Learn how to take a complex fraction and use the reciprocal rule of division to simplify the fraction.
Lesson Planet

Application of Complex Numbers

For Teachers 9th - 12th
Students apply operations with complex numbers to electrical circuit problems, real-world situations, utilizing TI-83 Graphing Calculators. They perform basic operations of addition, subtraction, division and multiplication with complex...
Lesson Planet

Complex Numbers

For Students 11th
In this algebra activity, 11th graders solve complex numbers using division. multiplication, addition and subtraction. There are 11 questions with an answer key.