Flipped Math
Exponential Growth and Decay
Here's everything one ever wanted to know about exponential growth and decay in one thorough lesson. A video lesson presents the basics of exponential growth and decay and then applies the information to word problems. The lesson wraps...
Flipped Math
Percent Change
Change the way the class looks at percent change. Scholars learn to write exponential functions from given information about percent change and to solve real-world problems involving the concept. They also see how to identify the initial...
Flipped Math
Calculus AB/BC - Exponential Models with Differential Equations
Exponential models come with a shortcut. Pupils watch an example of how to determine if a differential equation is an exponential model. Learners realize the solution is in the same formula, allowing for a quick way to determine the...
Flipped Math
Linear vs. Exponential
Linear or exponential?. Learners watch an informative video comparing situations that may be modeled by either a linear or exponential relationship. Pupils determine the type of relationship and then create a function that models the...
Flipped Math
Exponential Decay
The values keep getting smaller—quickly! Pupils watch a video that contrasts exponential decay with exponential growth from the first lesson in the unit. Learners identify exponential functions that are decaying and create graphs of...
Be Smart
How Some Words Get Forgetted
There's nothing regular about them—irregular verbs turn out to be the most common verbs in the English language. Through an analysis of data, learners discover that Zipf's Law describes the patterns of word usage.
Krista King Math
Sales Decline Calculus Problems
Decaying car sales ... when should the advertising resume? The last video in a series of 31 works a problem involving exponential decay. The problem presents the scenario of declining car sales in which the rate is not given directly to...
Krista King Math
Finding Half Life
When will half of the substance be gone? Using the exponential decay formula, the video finds the half-life of radium-226. The 29th installment in a 31-part series goes on to discuss that the calculations are the same independent of the...
Curated OER
How Do You Solve a Word Problem with Exponential Decay?
The instructor first identifies what formula to use to solve this word problem. Then she explains what each of the variables stands for and helps match up their given values in this word problem. There are many components to solving this...
Sophia Learning
Sophia: Exponential Decay in the Real World: Lesson 3
This lesson will provide real world examples that involve setting up and solving for an exponential decay problem. It is 3 of 5 in the series titled "Exponential Decay in the Real World."
Khan Academy
Khan Academy: Exponential Decay Formula Proof
Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T is what is illustrated in this video. Lesson best for students with a background in Calculus. Not necessary for an intro chemistry class. [12:19]
Khan Academy
Khan Academy: More Exponential Decay Examples
Sal dives in even deeper with a few more examples of exponential decay. Practice calculating k from half-life, and calculating initial mass. [7:21]
Khan Academy
Khan Academy: Exponential Decay and Semi Log Plots
Practice using exponential decay equation to solve for relationship between k and half-life. Further learning by using semi-log plot to get graph of a straight line with slope of -k. [10:16]
Sophia Learning
Sophia: Exponential Decay in the Real World: Lesson 1
This lesson will provide real world examples that involve setting up and solving for an exponential decay problem. It is 1 of 5 in the series titled "Exponential Decay in the Real World."
Sophia Learning
Sophia: Exponential Decay in the Real World: Lesson 4
This lesson will provide real world examples that involve setting up and solving for an exponential decay problem. It is 4 of 5 in the series titled "Exponential Decay in the Real World."
Other
Domain and Range of Exponential Functions
Students will watch a short video to explore the domain and range of exponential growth and decay equations.
Virtual Nerd
Virtual Nerd: What Is Exponential Decay?
Instructional video explains the different kinds of exponential functions that involve the rate of increase or decrease of something. When it's a rate of decrease, you have an exponential decay function. [6:23]
Khan Academy
Khan Academy: Chemistry: Exponential Decay Formula Proof
A video lecture showing how a general function of time can give you the amount of the decaying substance. The video derives the function and explains the logic along the way. Some calculus is involved. [12:22]
Khan Academy
Khan Academy: Chemistry: More Exponential Decay Examples
Do you need some more practice on half life problems? This video lecture will give you more examples of how to solve exponential decay problems. The video is easy to follow with step-by-step explanation of how to find the half life or...
Khan Academy
Khan Academy: Measuring Age on Earth: K Ar Dating Calculation
Work through a calculation for K-Ar dating this video lecture. Understand the mathematics in estimating age using radioactive dating. [11:06]
Sophia Learning
Sophia: Recognizing Exponential Behavior
This video tutorial reviews how to recognize exponential behavior in sequences, graphs, and tables. The lesson provides detailed examples.
Virtual Nerd
Virtual Nerd: How Do You Solve a Word Problem With Exponential Decay?
In this tutorial, you will learn how to turn a word problem into an exponential decay function, then solve it to get the answer. [6:13]
Khan Academy
Khan Academy: Chemistry: Introduction to Exponential Decay
A video lecture showing how to apply the exponential decay equation to solve for either the amount of atoms left at a particular time or the half life of a compound. Video gives a detailed explanation of problems as they are being...
PatrickJMT
Patrick Jmt: Exponential Decay: Finding Half Life
Video tutorial provides examples and tips for finding the half-life of a substance that is decreasing annually by 4%. [6:08]