Exponential Decay Teacher Resources
Find Exponential Decay lesson plans and worksheets
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Introduction to Exponential DecayLesson Planet
9 mins 7th - 10th
Sal goes further into the decay of atoms by introducing the concept of Exponential Decay. He explains when you have any decaying element, it can be described as the amount of the element present times e to a constant, such as lambda. The...
Exponential Decay Formula (can skip, involves Calculus)Lesson Planet
12 mins 7th - 10th
Sal continues his discussion of decay by showing students the math involved in determining how much a substance is left after one half-life, two half-lives, and even three half-lives have gone by. He sets up a general function of time...
Finance: Depreciation (Double Declining)Lesson Planet
6th - 12th CCSS: Designed
Of particular interest to a group of business and finance pupils, this lesson explores depreciation of automobile values by comparing the double declining balance to the straight line method. Mostly this is done through a slide...
Sales Decline Calculus ProblemsLesson Planet
6 mins 11th - Higher Ed CCSS: Adaptable
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...
Accuracy of Carbon 14 Dating IILesson Planet
9th - 12th CCSS: Designed
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and ranges of...
Exponential Decay: Cool SunglassesLesson Planet
10th - 12th CCSS: Designed
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They then explore...
How Do You Solve a Word Problem with Exponential Decay?Lesson Planet
6 mins 8th - 11th
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...
NUMB3RS Activity: A Matter of Half-Life and DeathLesson Planet
11th - 12th CCSS: Designed
Learners investigate exponential decay. Students explore the biological half-life of Cesium-137. Learners investigate the Goiania Accident of 1987 which is considered one of the worst incidents in the history of the Atomic Age.
Exponential Growth and DecayLesson Planet
9th - 12th CCSS: Adaptable
How can you safely model exponential growth and decay? A hands-on activity uses candies to model not only exponential decay, but also exponential growth. Exponential equations are fitted by hand and by use of a calculator to the data...
Carbon 14 Dating in Practice ILesson Planet
9th - 12th CCSS: Designed
How old is the plant? Here is a task that presents the exponential decay function for carbon 14 in a plant. Pupils use the function to estimate the amount of carbon 14 in the plant when it died and analyze the function to find what the...