CK-12 Foundation
Ck 12: Find Imaginary Solutions: Fundamental Theorem of Algebra
[Free Registration/Login may be required to access all resource tools.] Here you will learn about the Fundamental Theorem of Algebra, and how to apply it to various functions. You will also review using the quadratic equation to find...
CK-12 Foundation
Ck 12: Algebra: Factorization of Quadratic Expressions
[Free Registration/Login may be required to access all resource tools.] Factor quadratic polynomial expressions of the form ax^2 + bx + c.
A&E Television
History.com: The World Trade Center, by the Numbers
When the World Trade Center's Twin Towers opened to the public in 1973, they were the tallest buildings in the world. Statistics: They rose a quarter-mile in the sky, contained 15 miles of elevator shafts, and nearly 44,000 windows. From...
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.
Friesian School
Friesian.com: Imaginary Numbers
This site from Friesian.com contains a detailed definition of imaginary numbers along with a few examples.
New York Times
New York Times: Steven Strogatz on the Elements of Math Series the New York Times
[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Numeros Complejos
Practice how to represent complex numbers graphically, operations with complex numbers and geometric transformations.
University of Utah
University of Utah: The Number System
This site from The University of Utah provides a definition of commonly used numbers including rational numbers, natural numbers, integers, real and complex numbers and more.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Number Systems
Find a quick, concise explanation of Real Numbers. Other number systems are also defined such as: Natural, Integer, Rational, Irrational and Complex Numbers.
Other
Partner Square Painting: The Whole and Its Parts
Kids will have fun snapping chalk lines onto paper and then painting in the parts. Can be used as a way to teach parts and their relation to the whole or even more complex as fractions.
CK-12 Foundation
Ck 12: Find Imaginary Solutions
[Free Registration/Login may be required to access all resource tools.] In this lesson, students are finding complex roots of polynomials and applications of the Fundamental Theorem of Algebra. Students examine guided notes, review...
Math Open Reference
Math Open Reference: Number
Resource defines numbers into two main categories, counting numbers and scalars. It also gives examples of number notation.
Washington State University
Washington State University: Sample Problems From Intermediate Algebra
Check for college math readiness using this problem sampler. Problems cover high school algebra topics, including linear and quadratic equations, factoring, radicals, rational expressions, synthetic division, complex numbers and more....
Math Words
Math words.com: Complex Plane
Contains the definition and a picture for what a complex plane is.
University of Toronto (Canada)
University of Toronto: Imaginary Numbers in Real World
This site from the University of Toronto contains revelant information regarding imaginary number appliances to the real world.
PBS
Pbs News Hour Extra: Undercutting Unemployment
Unemployment is a complex subject. This comprehensive set of lesson plans and news reports will help young scholars understand the many economic and political forces that impact on the unemployment rate, and to critically analyze...
CK-12 Foundation
Ck 12: Electron Arrangement in Atoms
[Free Registration/Login may be required to access all resource tools.] The focus in this learning module will be on the complexity of electron arrangement in atoms.
Curated OER
University of St Andrews: A History of Hypercomplex Numbers
A timeline covering most events in the history of complex numbers.
Curated OER
University of St Andrews: A History of Hypercomplex Numbers
A timeline covering most events in the history of complex numbers.
Curated OER
University of St Andrews: A History of Hypercomplex Numbers
A timeline covering most events in the history of complex numbers.
Curated OER
University of St Andrews: A History of Hypercomplex Numbers
A timeline covering most events in the history of complex numbers.
Curated OER
University of St Andrews: A History of Hypercomplex Numbers
A timeline covering most events in the history of complex numbers.
Curated OER
University of St Andrews: A History of Hypercomplex Numbers
A timeline covering most events in the history of complex numbers.
Khan Academy
Khan Academy: Simplify Hairy Fractions
Practice simplifying complex fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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