Alabama Learning Exchange
Complex Numbers Solutions
Complex doesn't have to mean harder! Learners experiment with online software to determine the quadratic equations with complex solutions. They use the quadratic formula to solve equations with both real and complex solutions.
Project Maths
Complex Number Operations
What do animated videos have to do with mathematics? Using operations of complex numbers and their representations on the complex plane, high schoolers observe how mathematics could be used to move animations. The lesson provides an...
EngageNY
Solving Quadratic Equations by Completing the Square
Many learners find completing the square the preferred approach to solving quadratic equations. Class members combine their skills of using square roots to solve quadratics and completing the square. The resource incorporates a variety...
Curated OER
The Discriminant
In this discriminant worksheet, 9th graders solve 10 different problems related to determining the discriminant in each equation. First, they find the nature of roots in quadratic equations. Then, students determine whether each of the...
Curated OER
Dividing Radical Expressions
In this algebra worksheet, learners simplify 14 complex radical fractions. They find the square roots for both the denominator and numerator, dividing out any factors that are the same to completely simplify the fraction. For the final 7...
Alabama Learning Exchange
Imaginary Numbers? What Do You Mean Imaginary?
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.
Alabama Learning Exchange
Classifying Complex Numbers
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.
Alabama Learning Exchange
As If Numbers Weren't Complex Enough Already!
The class explores the concept of complex numbers on a website to generate their own Mandelbrot sets. They will practice performing operations with complex numbers and then to get a visual understanding, graph the absolute value of a...
Curated OER
The Colonization of the United States
Bring the Age of Exploration into the 21st century with this ancestry activity! Learners get a chance to explore the complex genealogy of the Spanish settlers through watching two video clips (approximately five minutes each) featuring...
Curated OER
Using Greek and Latin Roots to Help Students Learn Vocabulary in Science Classes
You can help students confidently approach science vocabulary by teaching them about Greek and Latin roots.
Curated OER
Roots of Polynomial Functions
Here is a unit test on finding factors and zeros of higher-degree polynomials that could be used as a review or practice test. The Remainder Theorem, Rational Zero Theorem, and Factor Theorem are put into use. While this four-page...
Curated OER
Are You a Radical or Just a Square Root?
Fourth graders discover that the inverse of squaring is finding a square root. and that square roots are found in many formulas used in many disciplines. They utilize a worksheet imbedded in this plan that gives them quite a bit of...
Curated OER
Reinvigorate Your Vocabulary
Eighth graders participate in a variety of activities to examine the meanings and roots of word derivatives and the meanings of words. Using context clues, they determine the meanings of words omitted from a passage and complete a prefix...
Mathematics Vision Project
Quadratic Equations
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...
EngageNY
Summarizing Complex Ideas: Comparing the Original UDHR and the "Plain Language" Version
The eighth lesson plan in this series continues the focus on vocabulary and increasing young readers' awareness of academic language. Pairs of learners participate in a short vocabulary review activity called Interactive Words in which...
Curated OER
Imaginary and complex Numbers
For this Algebra II worksheet, 11th graders simplify expression involving imaginary and complex numbers and determine the quadratic equation that would have the given complex roots. The on page worksheet contains thirty-four problems. ...
University of California
Roots of the Cold War
When and how did the Cold War begin? To answer this question, you will not find a better-organized, in-depth, activity- and inquiry-based resource than this! Executing best teaching practices throughout, each portion of this inquiry...
Curated OER
Word Roots
Fifth graders discover that for some words, the definition is actually in the word and that much of our language is derived from Latin and many words have Latin roots. They look at the definition part of the worksheet and go over it...
Kuta Software
Imaginary Numbers
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...
Curated OER
Complex Fractions
In this complex fractions activity, 9th graders solve 10 different problems that include simplifying various complex fractions. First, they create one single fraction in the numerator and then in the denominator. Then, students rewrite...
Mt. San Antonio Collage
Quiz 2: Polynomials
Four questions that get right to the polynomial point. High schoolers list all the attributes of a polynomial function, including finding all complex zeros. The last two questions prompt them to write a function based on the given zeros...
Curated OER
Complex Numbers
In this complex numbers activity, 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...
Curated OER
Complex Analysis: Complex Exponents
In this complex exponent worksheet, students simplify functions. This three-page worksheet contains approximately ten problems, as well as explanations and examples.
Curated OER
Complex Analysis: Polynomial Equations
In this polynomial equations learning exercise, students evaluate roots and draw vector representations. This three-page learning exercise contains four problems.