Curated Video
Man Describes Chase for Texas Church Suspect
The man who confronted Texas church shooting suspect Devin Patrick Kelley had help from another local resident, Johnnie Langendorff.
He said he was driving past the church as the shooting happened.
He didn't...
Curated Video
Man describes chasing Texas church shooting suspect
The man who confronted Texas church shooting suspect Devin Patrick Kelley had help from another local resident, Johnnie Langendorff.
He said he was driving past the church as the shooting happened.
He didn't...
Curated Video
Man Describes Chase for Texas Church Suspect
The man who confronted Texas church shooting suspect Devin Patrick Kelley had help from another local resident, Johnnie Langendorff.
He said he was driving past the church as the shooting happened.
He didn't...
AFP News Agency
CLEAN : Rodney King's daughter recalls Los Angeles riots 30 years on
"What we're doing is not working, we're still here", says Lora King, Rodney King's daughter (Footage by AFPTV via Getty Images)
Flipped Math
Introduction to Probability
Chances are good that one will learn a lot about probability. Scholars view an instructional video that covers the basics of probability. They review sample spaces, outcomes, and events, then look at the complement, union, and...
Corbett Maths
Solving Quadratics Graphically – Advanced
Use an understanding of equality to find solutions of quadratics graphically. A well-designed lesson illustrates the relationship between the right and left sides of an equation graphically. With one side quadratic and the other side...
Math Antics
Angle Basics
Take a linear approach to acquaint the class with angles. The video introduces the idea of angles from the notion of intersecting lines. Using the idea of perpendicular lines, the resource defines right, acute, and obtuse angles...
DoodleScience
Centre of Mass
Explain how to find the center of mass of an object. A video uses suspension and plumb lines to find the point of intersection that is the center of mass. It also relates this concept to simple pendulums, covering the time period and...
Curated OER
How Do You Solve a System of Inequalities by Graphing?
You've got a linear system of inequalities? You need to solve it by graphing? No sweat. Make sure that each equation is in slope-intercept form and then graph each equation. Is it a solid line or a dashed line? Which side of the line...
Curated OER
What's Another Way of Solving a System of Equations Using the Elimination by Multiplication Method?
Another look at solving systems of equations by using the elimination method. In this process, the instructor first uses the distributive property to multiply one of the equations to set it up for the elimination step. Yes, there are...
Curated OER
How Do You Solve a System of Equations Using the Elimination by Multiplication Method?
The elimination method is so called because the objective is to eliminate one of the variables to solve for the remaining variable. There is an extra step in this system of equations as the original equations are not similar enough. So...
Curated OER
How Do You Solve a System of Equations Using the Elimination by Subtraction Method?
Check out this video and see how the instructor explains how to solve a system of equations by using the elimination method. There are several steps in solving this equation: multiplying the equation by negative one, subtracting a...
Curated OER
How Do You Solve a Word Problem Using an Absolute Value Inequality?
After reading this inequality word problem, young learners might just skip over it and not even make the attempt to solve it. It seems rather complicated. So watch this video as the teacher explains all that needs to be done to solve...
Virtual Nerd
What are Interior and Exterior Angles of a Polygon?
Break down interior and exterior angles with this video. Using a pentagon, a teacher demonstrates how to find the interior and exterior angles of a polygon. She goes on to explain a few of the properties of these angles, writing down all...
Curated OER
How Do You Solve a System of Inequalities by Graphing?
You've got a linear system of inequalities? You need to solve it by graphing? No sweat. Make sure that each equation is in slope-intercept form and then graph each equation. Is it a solid line or a dashed line? Which side of the line...
Curated OER
How Do You Find a Union and Intersection from a Venn Diagram?
Is there a difference between the union of sets and the intersection of sets? The teacher uses a Venn diagram to illustrate how to determine what makes a union and what makes an intersection of sets.
Virtual Nerd
How Do You Find the Intersection of Percent Data by Using a Venn Diagram?
When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...
Curated OER
What are Skew Lines?
Skew lines? What? By definition, skew lines are lines on different planes that never intersect. Watch this video and get an explanation along with a visual diagram.
Mathispower4u
How to Solve Linear Equations Graphically
Your graphing calculator can do lots of amazing things, even solve equations graphically. Young mathematicians learn to solve linear equations by using a graphing calculator. The informative YouTube video shows them how to apply the Zero...
Curated OER
What are Parallel Lines?
Parallel lines never intersect. That's right, NEVER! They are in the same plane but never touch. The instructor illustrates many types of lines and shows you how parallel lines don't ever cross.
Curated OER
How Do You Graph a System of Equations With No Solution?
Two equations. What's the solution to this system? How can you solve it? Can you write the two equations in slope-intercept form? Yes, you can. Now graph each equation. Look, the lines are parallel. What does that mean? That means there...
Curated OER
What is a Transversal?
There are two parallel lines intersected by one straight line, what's that one line called? A transversal. There are a few more things to know about transversal lines and the angles they create. What are vertical angles? Are they...
Curated OER
How Do You Use a System of Linear Equations to Find Coordinates on a Map?
It seems like a pretty complicated word problem in which Batman is trying to locate the Riddler. The instructor does a good job of setting up the two equations that will help Batman locate the Riddler. Two equations? Yes, a system, and...
Curated OER
How Do You Solve a System of Equations by Graphing?
Two equations. What's the solution to this system? How can you solve it? Can you write the two equations in slope-intercept form? Yes, you can. Now graph each equation. Look, the lines intersect. What does that mean? That means that...