Curated Video
Determining Percentage Rate of Change
In this video, the teacher explains how to determine the percent rate of change using exponential models. They review compound interest and linear functions, and then go on to discuss exponential growth and depreciation.
Brian McLogan
What is the rule of 72 and where does it come from
What is the rule of 72 and where does it come from
Brian McLogan
Solving exponential growth model problems
Learn about compound interest. We will look at how to determine the final value, initial value, interest rate and years needed. We will investigate problems compounded continuously, daily, weekly, monthly, quarterly and yearly. These...
The Business Professor
Introduction to the Discounting Model of Net Present Value
This video provides an overview of the discounting model of net present value and explains how to calculate the present value of future cash flows using the discount factor.
Curated OER
How Do You Use the Formula for Compound Interest?
Money, money, money. Love it! You want to earn interest on what you put into your bank account. So you make an investment to earn compound interest and you want to know how much money you will have in 60 months. Well, there's a formula...
Curated OER
Introduction to Interest
Here is a simple tutorial on the difference between simple and compound interest. In it, Sal describes what interest is, defines the vocabulary of principle and interest rate. He also models year-by-year the amount of money owed under...
Curated OER
Interest (Part 2)
Another example of simple interest and compound interest (compounded yearly) is explored in this video.
TED-Ed
How to Spot a Counterfeit Bill
Did you know that at any one moment in the United States, millions of dollars in circulation could actually be fake? Build commerce and chemistry acumen, and discover the tools needed to spot counterfeit currency.
Get Chemistry Help
Chemistry Lesson: Percent Composition
Do you need a fast and thorough way to instruct your class members on how to determine the percent composition of a compound? Then this short resource will be a wonderful addition to your existing instructional methods. The video...
Crash Course
The Creation of Chemistry - The Fundamental Laws
Imagine if scientists today were killed for their thoughts, ideas, and beliefs. And yet, Antoine Lavoisier was beheaded for just those things in 1794. Learn about this fascinating aspect of science along with the contributions of...
American Chemical Society
What's in your Smartphone?
Your cell phone contains many elements you may not have even heard of! Explore the science of the smartphone with a lesson from the Reactions playlist. The instructor explains the location and purpose of the many different elements that...