World Science Festival
Mysteries of the Mathematical Universe
Mathematical mysteries have challenged humanity’s most powerful thinkers and inspired passionate, lifelong obsessions in search of answers. From the strangeness of prime numbers and the nature of infinity, to the turbulent flow of fluids...
Khan Academy
Example 4: Adding and Subtracting Polynomials, Algebra Basics
Adding two polynomials begins with simplifying when possible. Sal demonstrates the process he uses to combine like terms and explains why the process works. This video would be great for those who need a quick refresher.
Khan Academy
Logarithmic Scale, Logarithms, Algebra II
In this thought-provoking video, Sal shows how a typical linear scale is different from a logarithmic scale. He plots numbers on both scales and compares them to show why the logarithmic scale is useful. This video gives an intuitive...
Socratica
Using Scientific Notation
Scientists and engineers in every field use scientific notation. The Socratica video explains what scientific notation is and why people use it. Then, it offers examples of how to convert a number into and out of scientific notation....
Virtual Nerd
Virtual Nerd: How Do You Add Fractions With the Same Denominator?
In this video tutorial, learn how easy it is to add up fractions once they have the same denominator. [0:50]