3 Minute Videos
Changing Percents into fractions and decimals....necessary skill in discount story problems
Fractions and Decimals changed into %
Finding the Greatest common Factor and the Least common Multiple
The 4 possible types of slope... undefined, 0, positive and negative
4 Examples of positive and negative slopes, formed from 2 points.
Given a point and a slope...write the Linear Equation
Basic Properties of Square Roots. Adding and Multiplying.
Complete the Square ... Method often used to solve Quadratic Equations
Introduction to Parabolas
How to use the Symmetry to a Parabola
The Equation of a Parabola with 2 roots
Factoring Simple Trinomials
The Sine Ratio in a right triangle described...
Visualizing the Width and Height or Cosine and Sine of an Angle using the Unit Circle
A visualization of the "cousin" angles of 30 degrees. Specifically, 150, 210 and 330.
Angles on the Unit Circle Described...
Introduction to Radians Converting Degrees into Radians.
Visual Examples of the Period of a Graph
Descriptions and examples of x Squared and x cubed.
Negative Powers of a number
Introduction to a Logarithm Scale Number Line
Exponential and Logarithm Forms of Equation...and some simple logarithms base 10 and base 2
3 different "reads" of a given graph....