Curated OER
Central Tendencies and Normal Distribution Curve
Fourth graders are given data (class test scores) to determine central tendencies, and find information needed to construct a normal distribution curve. They become proficient in calculating mode, median and average.
Texas Instruments
Texas Instruments: Powers and Roots of Complex Numbers
Complex numbers can be represented graphically using parametric equations. The roots of complex numbers, including the roots of unity, can be represented graphically using De Moivre's theorem and parametric equations.
McGraw Hill
Glencoe Mathematics: Quiz on Powers and Roots of Complex Numbers
The online assessment exhibits knowledge of advanced mathematical concepts in Trigonometry. The questions evaluate students on powers and roots of complex numbers.
Paul Dawkins
Paul's Online Notes: Complex Numbers Primer
This tutorial reviews complex numbers, notation associated with complex numbers, and the basic operations involving complex numbers. Topics examined are conjugates and moduli, polar form, exponential form, arithmetic of complex numbers,...
CK-12 Foundation
Ck 12: Analysis: Powers and Roots of Complex Numbers
[Free Registration/Login may be required to access all resource tools.] On this site students learn to apply De Moivre's Theorem to solve for powers and roots of complex numbers. Students explore guided notes, watch videos and then...
Texas Instruments
Texas Instruments: Powers and Roots of Complex Numbers
In this TI InterActive! activity, students explore the graphical and numerical representations of the powers of a complex number.
Khan Academy
Khan Academy: Simplify Roots of Negative Numbers
Rewrite square roots of negative numbers as imaginary numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Oswego City School District
Regents Exam Prep Center: Complex Numbers
A wealth of material to help you plan classroom instruction on complex numbers: several lessons that cover the number i, square roots of negative numbers, and operations involving complex numbers; practice activities, some of which...
CK-12 Foundation
Ck 12: Trigonometry: De Moivre's Theorem and Nth Roots
[Free Registration/Login may be required to access all resource tools.] Simplify Nth roots of complex numbers with DeMoivre's Theorem.
Cuemath
Cuemath: Complex Numbers
A comprehensive guide for learning all about complex numbers with definitions, operations on complex numbers, solved examples, and practice questions.
Purple Math
Purplemath: Complex Numbers: Introduction
This website provides an in-depth lesson on complex numbers. You learn about simplifying, adding, and multiplying complex numbers by viewing example problems that are worked through step-by-step. Continue on to pages 2 and 3 which...
OnlineMathLearning.com
Online Math Learning: Factor Polynomials With Complex Roots
A collection of video lessons with example problems and solutions to help students learn how to extend polynomial identities to the complex numbers. Includes interactive widget for working on the modeled problems or trying your own.
Northern Illinois University
Northern Illinois University: Roots Unique Factorization
This site from the Northern Illinois University contains relevant information about complex nth roots of unity. Includes important formulas.
Oswego City School District
Regents Exam Prep Center: Simplifying Square Roots With Negative Numbers
This tutorial and practice shows how to simplify radicals even with a negative number. Features include a teacher page that has a Bingo game to teach the concept.
Stanford University
Standford University: Complex Roots
This resource contains relevant information regarding to complex roots that includes formulas and graphs.
Clark University
Clark University: Dave's Short Trig Course: Complex Numbers
Contains general information regarding complex numbers and roots of unity.
Interactive Mathematics
Interactive Mathematics: Complex Numbers
The world of complex numbers is explored through mini lessons, interactive examples, applications and demonstrations. Topics covered include definitions, basic operations, graphing, different forms of complex numbers, products,...
Illustrative Mathematics
Illustrative Mathematics: N cn.a.2, N cn.b.5, and N cn.c.8 Complex Cube Roots
This task has students further their understanding of the algebra of the complex numbers. Aligns with N-CN.A.2, N-CN.B.5,a nd N-CN.C.8.
Illustrative Mathematics
Illustrative Mathematics: N Cn, a Rei Complex Square Roots
Working with complex numbers allows us to solve equations that cannot be solved with real numbers. Here we will investigate complex numbers which arise as square roots of certain complex numbers. Aligns with N-CN.A.2 and A-REI.A.1.
Interactive Mathematics
Interactive Mathematics: De Moivre's Theorem
Using DeMoivre's Theorem, the powers and roots of complex numbers are simplified. Several examples are given, including interactive exercises.
CK-12 Foundation
Ck 12: Trigonometry:complex Roots
[Free Registration/Login may be required to access all resource tools.] Plot the roots of equations in polar coordinates.
CK-12 Foundation
Ck 12: Analysis: Quadratic Formula and Complex Sums
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving quadratic equations when the answers are complex numbers. Students examine guided notes, review guided practice and attempt practice...
Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Other
Gobierno De Navarra: Numeros Complejos
Use these interactive activities as a supplementary material to practice sum, difference, multiplication and division, power and roots of complex numbers.