Curated OER
Imaginary Numbers
In this Algebra II activity, 11th graders solve problems that involve determine the value of expression involving the imaginary unit. The one page activity contains three multiple choice questions. Answers provided.
Curated OER
It Counts
Young scholars classify and compare plants using specific information, observations, and numbers. In this mathematical inquiry lesson, students use plant characteristics to describe, compare, and classify them. They attempt to develop a...
Curated OER
Tens and Ones with Unifix Cubes
Use Unifix Cubes to make math more tangible for your young pupils! A simple activity will get learners talking and collaborating...and all about MATH! In partners, learners pick a number card (these are provided, and can be simply cut...
Curated OER
Complex and Imaginary Numbers
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...
Curated OER
Chapter 9 - Objective 3.1 Radicals & Imaginary Numbers
In this imaginary numbers instructional activity, students solve radical equations containing imaginary numbers. They multiply, divide, subtract and add problems. This one-page instructional activity contains ten problems.
Curated OER
Quadratic Formula with Imaginary Numbers
In this quadratic equation worksheet, students use the quadratic formula to solve 6 fill in the blank problems that involve imaginary numbers.
Curated OER
Absolute Value
For this absolute value worksheet, students solve 10 different equations that include solving absolute values. First, they determine whether their equation is expressed in the a+bi form. Then, students select the coefficients for a and...
Curated OER
Exploring Harmonic Conjugates
High schoolers investigate harmonic conjugates using Cabri Software or the Ti Calculator to analyze harmonics. They explore different angles measurements as they move their circles around and solve problems.
Curated OER
Share this page Facebook Page Complex number addition
In this online math worksheet, students practice adding positive and negative integers. When complete, students submit their answers and get instant feedback regarding their accuracy.
EngageNY
Representing Reflections with Transformations
In the 16th lesson in the series of 32 the class uses the concept of complex multiplication to build a transformation in order to reflect across a given line in the complex plane. The lesson breaks the process of reflecting across a line...
Rice University
Intermediate Algebra
Algebra concepts are all wrapped up in one nice bow. The resource combines all the concepts typically found in Algebra I and Algebra II courses in one eBook. The topics covered begin with solving linear equations and move to linear...
Noyce Foundation
Part and Whole
Now you'll never have trouble cutting a cake evenly again. Here is a set of five problems all about partitioning shapes into a given number of pieces and identifying the fractional amount of each piece. As learners progress through the...
Code.org
Looping and Random Numbers
Repetition, repetition, repetition. Get your class to efficiently repeat a section of code over and over again by introducing looping. Class members learn looping to quickly recreate objects they want to appear more than once in their...
Curated OER
Irrational and Imaginary Root Theorems
In this irrational and imaginary root theorem learning exercise, students identify the number of complex zeros for a given function. They write a polynomial function of leas degree with integral coefficients. This four-page learning...
Curated OER
The Two Number Problem
In this number problem instructional activity, high schoolers solve 1 word problem about squaring numbers. Students find two different numbers that are equal when they are squared.
Easy Work Sheet
Easy Worksheets: Number Sets
In this number sets learning exercise, students solve 6 multiple choice problems. Students determine the number set that the given number belongs to such as whole, integers, rational, real, complex, etc.
Curated OER
Absolute Values
In this absolute value worksheet, students determine the absolute value of each complex number. Students complete 10 problems.
CK-12 Foundation
Find Imaginary Solutions: Imaginary Zeros
The resource is the real deal. Individuals investigate the imaginary zeros of f(x) = x^2 + 1. They accomplish this task by using an interactive that shows input values x = a + bi and output values x^2 + 1 on a complex plane.
Virginia Department of Education
The Modern Model of Atomic Structure
The difference between atomic mass and atomic number can be confusing for some young chemists. Help your class better understand the concepts by allowing them to sketch an atom on paper and then discuss their experience. Upon completion...
Rice University
Precalculus
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...
EngageNY
Ratios of Fractions and Their Unit Rates 2
Remodeling projects require more than just a good design — they involve complex fractions, too. To determine whether a tiling project will fit within a given budget pupils calculate the square footage to determine the number of...
EngageNY
Ratios of Fractions and Their Unit Rates
Challenge the class to calculate unit rates using complex fractions. Pupils work through examples of finding unit rates using ratios of fractions. To complete the 11th lesson plan of 22, scholars review sample work and determine whether...
EngageNY
Comparing Methods—Long Division, Again?
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.
EngageNY
Wishful Thinking—Does Linearity Hold? (Part 1)
Not all linear functions are linear transformations — show your class the difference. The first lesson in a unit on linear transformations and complex numbers that spans 32 segments introduces the concept of linear transformations and...
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