Curated OER
How Do You Find the Midpoint Between Two Coordinates?
You've been given two coordinate points on a graph. When these points are connected they form a line segment. Now you have to find the midpoint of this line. Of course there is a formula and all you have to do is plug in the coordinate...
Curated OER
How Do You Find the Area of a Rectangle Whose Sides are Binomials?
The teacher uses a diagram to set up her initial equation to reflect the changes being made to a garden plot. She has a good explanation of how she got her equation. Then she works through the steps to solve the equation.
Curated OER
How Do You Solve an Opposite-Direction Travel Problem?
The quintessential word problem that makes everyone scream and run away. But wait, come back! Time, distance, when will they get there? You are really only working with one formula: distance= rate times time. You can do this. View this...
Curated OER
What's the Formula for Slope?
Slope? Does that mean the angle of the line on the graph? Yes, but it's not referred to as an angle on the graph. The slope of the line means how much does the line move up or down in comparison as to how much it moves left or right. So,...
Curated OER
What's Point-Slope Form of a Linear Equation?
Show your class what the point-slope form or a linear equation looks like and how to find it with this video. An instructor defines point-slope form and proceeds to work through an example. Great for in-class or at-home use.
Curated OER
How Do You Write an Equation of a Line in Point-Slope Form and Standard Form If You Have Two Points?
There are a lot of steps in this problem. But just like walking up a flight of stairs, you should take one step at a time, so too in the solving of this problem. The instructor explains each step and what to do to move to the next one.
Curated OER
How Do You Find the Volume of a Box Whose Sides are Monomials?
Length times width times height. Yes, the formula for the volume of a rectangular shape. But the values are monomials. Use the knowledge you have to multiply the monomials and then write it in simplest form.
Curated OER
What's Point-Slope Form of a Linear Equation?
Show your class what the point-slope form or a linear equation looks like and how to find it with this video. An instructor defines point-slope form and proceeds to work through an example. Great for in-class or at-home use.
Curated OER
How Do You Find the Rate of Change Between Two Points on a Graph?
The instructor uses a graph representing time and distance to illustrate how to solve this word problem. She explains each step: rate of change, distance, time, vertical change over horizontal change, change in distance, and change in...
BioEd Online
Bio Ed Online: Introduction to Chemical Mixtures
A biologist must be able to work with and understand a variety of mixtures. In the following video David Caprette, PhD, describes types of mixtures, and their properties, that might be encountered in a biological laboratory, and...
BioEd Online
Bio Ed Online: Quantitative Methods: Part 1. Solutions and Dilutions
In this video David Caprette, PhD, discusses the types and properties of mixtures prepared and/or encountered in a biological laboratory. He also introduces basic lab equipment, terms and concepts related to formulas, and the concept of...
Khan Academy
Khan Academy: Empirical, Molecular, and Structural Formulas
Video tutorial presents different ways of representing a molecule and gives examples to demonstrate the difference between empirical, structural, and molecular formulas. [6:49]
Loyola University Chicago
Math Flix: Formula Area of a Rectangle Geoboards
This QuickTime movie explains how to find the area of a rectangle by using Pick's formula and then demonstrates this by showing how to use that area formula. As you watch and listen to the teacher and student interact it helps clarify...
Loyola University Chicago
Math Flix: Order of Operations in Word Problems 2
This QuickTime movie provides an opportunity to use the order of operations in a word problem and find the solution. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Brightstorm
Brightstorm: Empirical Formula: Molecular Formula
Video tutorial teaches students about Empirical and Molecular formulas in Chemistry. [7:57]
Sophia Learning
Sophia: Chemical Equation: Definition
Find out how to write a balanced chemical equation in this narrated tutorial. [4:57]
Loyola University Chicago
Math Flix: Order of Operations in Word Problems 1
This QuickTime movie provides an opportunity to apply the order of operations to a word problem. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Pythagorean Theorem Puzzle
This QuickTime movie uses a tangram-like puzzle to help understand the Pythagorean Theorem. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Variables Color Tile Riddles 1
This QuickTime movie provides an excellent introduction to variables. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Variables & Substitution Principle 2
This QuickTime movie provides more information about variables and the substitution principle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Sophia Learning
Sophia: Applying a Formula
Students see how to use a known formula to solve for an unknown.
Sophia Learning
Sophia: Acids: Formulas From Oxy Acid (Ternary) Names: Lesson 2
This lesson will demonstrate how to write the formula for a ternary acid when given the name. It is 2 of 2 in the series titled "Acids: Formulas from Oxy-Acid (Ternary) Names."
Sophia Learning
Sophia: Acids: Formulas From Oxy Acid (Ternary) Names: Lesson 1
This lesson will demonstrate how to write the formula for a ternary acid when given the name. It is 1 of 2 in the series titled "Acids: Formulas from Oxy-Acid (Ternary) Names."