Texas Instruments
Texas Instruments: Algebra 1: Exponential Functions
Students will use examples and an interactive graph to explore exponential functions such as growth and decay.
CK-12 Foundation
Ck 12: Analysis: Exponential Models
[Free Registration/Login may be required to access all resource tools.] In this lesson students will be identifying, applying, and solving exponential models manually and with technology. Students examine guided notes, review guided...
Other
Algebra Lab: Applications of Exponential Functions
Explains how exponential functions have applications in real-world scenarios, including a population of a city, the growth of bacteria, drug decay, and compounding interest. Includes four word problems to try, with hints and answers...
Interactive Mathematics
Interactive Mathematics: Graphs of Exponentials & Logarithms
Interactive graphs of base 10 exponential and logarithmic functions are demonstrated and applied to real-world problems.
University of South Florida
Fcat: Get a Half Life!: Teacher Notes
Students use M&M's and a graphing calculator to collect and graph data. This activity helps them to understand exponential functions and the concept of half-life.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Exponential Growth and Decay
Complete practice exercises after learning how to solve exponential growth and decay problems.
Department of Defense
Do Dea: Growth and Decay
Practice problems that each illustrate a different use of the Law of Exponential Change. Examples and explanations are provided. Great review for the AP Calculus test!
Department of Defense
Do Dea: The Law of Exponential Change
If you are a budding environmental scientist, archeologist. physical scientist, or bacteriologist, then this is the site is for you. You will be looking at the differential equation of proportional change and how it is related to the...
Cool Math
Coolmath: Radioactive Decay 1
This Algebra Cruncher generates an endless number of practice problems for radioactive decay -- with solutions! Find how much will be left after a given amount of time.
Cool Math
Coolmath: Radioactive Decay 2
This Algebra Cruncher generates an endless number of practice problems for radioactive decay -- with hints and solutions! Find the half-life.
Cool Math
Coolmath: Exponentials & Logarithms More Ways to Use This Stuff
Learn about some practical, real-world examples of exponentials and logarithms.
National Council of Teachers of Mathematics
Nctm: Illuminations: Drug Filtering
This lesson from Illuminations looks at exponential decay using the example of how kidneys filter blood.
Sophia Learning
Sophia: Algebra I: Exponential Growth and Decay
A webpage containing notes explaining that exponential growth and decay show the change of a quantity over time. Notes give equation and graphs for exponential growth and decay.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating in Practice Ii
This problem introduces Carbon 14 dating which is used by scientists to date certain organic material. This version is based on the ratio of Carbon 14 to Carbon 12, which decreases at a constant exponential rate after an organism dies....
Exploratorium
Exploratorium: Radioactive Decay Model
Substitute coins for radiation. A coin experiment using radioactive decay.
Physics Aviary
Physics Aviary: Quick Graph 3.0
This program was designed as a quick graphing program that students could use on a computer, tablet or smart phone when a more complex graphing program is not available. This program will let students plot up to 10 data points and then...
Interactive Mathematics
Interactive Mathematics: Dow Jones Industrial Average
Students experience how exponential functions are related to the stock market through exponential growth and decay graphs.
Math Is Fun
Math Is Fun: Compound Interest
Explains, with examples, what compound interest is and how to calculate it using a formula. Also shows how to work backwards to calculate the present value of an investment, how compound interest is calculated for different compounding...
TED Talks
Ted: Ted Ed: Radioactivity: Expect the Unexpected
Video explaining the process, risks, and benefits of radioactivity. [4:16] Followed by a short quiz and a list of additional resources to explore.
Richland Community College
Richland Community College: Exponential Models
This site from Richland Community College contains specific examples of where logarithmic and exponential formulas are used, including: exponential growth and decay, Gaussian, logistics growth, and logarithmic.
Michigan State University
Michigan State University: Decay Constants and Half Lives
This site from the Michigan State University provides a short review of decay constants and half-lives.
Illustrative Mathematics
Illustrative Mathematics: F Le Us Population 1790 1860
In this task, students are shown a table of U.S. population data between 1790 and 1860 and are asked to explore whether exponential functions would be appropriate to model relationships within the data. The purpose of the task is to help...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Estudio Del Crecimiento De Una Funcion
Learn with these interactive exercises the concepts of growth and decay of a function and analyze the concepts with elementary functions.
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