Curated OER
The Two Number Problem
In this number problem learning exercise, high schoolers solve 1 word problem about squaring numbers. Students find two different numbers that are equal when they are squared.
Curated OER
Complex Number Multiplication
In this multiplication worksheet, students multiply complex numbers. This interactive one-page worksheet contains 10 problems. Answers are provided.
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...
Curated OER
Complex Numbers
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...
Curated OER
Who am I? Find A Polynomial From Its Roots
High schoolers generate the equation of a polynomial given its roots and the end behavior of the function. They need to apply theorems concerning the multiplicity of roots, conjugates of irrational or imaginary roots to find a...
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...
Curated OER
Studying Solutions of Quadratic Equations
In this algebra worksheet, students solve 8 quadratic equations by using the discriminant. They write the quadratic equation for 7 problems from the solution sets. Three of the solution sets contain imaginary numbers (i).
Curated OER
Complex Numbers
In this complex numbers worksheet, students simplify 9 problems involving the addition, subtraction, multiplication, and division of complex numbers.
Curated OER
Sixty-Eight Solving Equations and Performing Operations With Complex Numbers
In this complex numbers worksheet, students classify numbers, perform operations on complex numbers, and find complex solutions to equations, in sixty-eight problems.
Curated OER
Solving Quadratic Equations by Completing the Square
In this solving quadratic equations worksheet, high schoolers complete the square to tell the possible answers for 18 equations. 4 answers involve the square root of -1 (i).
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.
Curated OER
Mathematics B: High School Exam
In this mathematics worksheet, students solve problems about numerous high school topics including trigonometry, algebra, and pre-calculus. This worksheet contains, but is not limited to, radicals, inverse functions, transformations, and...
Curated OER
Share this page Facebook Page Complex number addition
In this online math learning exercise, students practice adding positive and negative integers. When complete, students submit their answers and get instant feedback regarding their accuracy.
Novelinks
Zach’s Lie: Magic Squares
Individuals match vocabulary words within a magic square, a concept that ties in nicely with math class. The words are all located in Zach's Lie and were specifically selected to increase comprehension of the text. Fifth in a series of...
Center for Civic Education
Orb and Effy Learn About Authority
Simplify the teaching of the US Constitution with this primary grade social studies lesson. While reading a fun story about an imaginary place called Bubble Land, children learn about the concept of authority and the importance of rules...
Curated OER
Complex Number
In this algebra worksheet, students identify the vertex of a quadratic functions. They identify complex numbers. There are 6 questions.
Curated OER
Cyclic Nature
In this cyclic nature worksheet, 11th graders solve 10 different problems that include the powers of i. First, they use the patterns shown for the powers of i to solve. Then, students find any remainders when dividing. They also simplify...
Curated OER
Square Roots
In this square roots worksheet, 9th graders solve 10 different problems that include simplifying with negative numbers. First, they identify the negative number in each equation and pull out from under the radical sign as i. Then,...
Curated OER
Precalculus Pretest
Students complete a pretest as practice for their review. In this precalculus lesson, students find the distance between points and the trigonometric identity of the sine, cosine and tangent. They solve problems using complex and...
Carfleo
Substance Use and Abuse
What is substance abuse? What is the difference between a depressant and a stimulant? Here is a comprehensive unit on drug use, including three lessons with such activities as categorizing and defining key terms, identifying issues...
Illustrative Mathematics
Complex number patterns
Start off with the definition of the imaginary number i, then have your class practice simplifying expressions involving powers of i and look for patterns. See how the cyclic nature of powers of i translate to sums of powers of i.
PEGAMES.org
Lava Field
Working in teams, groups of learners must collaborate to make their way across an imaginary lava field using foam tiles, carpet pieces, hula hoops, etc. This activity would be best if adapted to a larger facility or outdoors!
Curated OER
Sudorku
In this sudoku puzzle worksheet, students evaluate 28 expressions with answers resulting in values of 1-9. Students solve the sudoku puzzle by filling in the missing numbers.
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
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