University of Virginia
U of Virgina: The Number E and the Exponential Function
This site provides an explaination of the number e with equations and examples.
CK-12 Foundation
Ck 12: Analysis of Logarithmic Graphs: Graphs of Logarithmic Functions
[Free Registration/Login may be required to access all resource tools.] Graphing logarithmic functions using transformations. Identifying log functions as the inverses of exponential functions. Students examine guided notes, review...
CK-12 Foundation
Ck 12: Algebra Ii: 3.5 Using Logs to Solve Exponential Functions
This section explores logarithms as operations that are the inverse of exponents. It investigates the process for "undoing" or "eliminating" variable exponents when solving exponential equations.
CK-12 Foundation
Ck 12: Algebra Ii: 3.8 Solving Logarithmic Equations
This section addresses how to solve different types of logarithmic equations. It explores how to condense expanded equations and how to convert logarithmic equations into exponential ones.
Paul Dawkins
Paul's Online Notes: Algebra & Trig Review
The tutorial reviews algebra and trigonometric topics needed in Calculus. Topics examined are solving equations, rational expressions, absolute value, solving trigonometric functions, exponentials, and logarithms. Class notes,...
Illustrative Mathematics
Illustrative Mathematics: F Le Snail Invasion
In this task, students investigate the power of exponential growth in this real-world example of an invasive species that was introduced to Florida in 1966, a giant snail. Aligns with F-LE.A.2 and F-LE.A.4.
Illustrative Mathematics
Illustrative Mathematics: F Le Newton's Law of Cooling
For this problem, students use an exponential equation to investigate the cooling of a cup of coffee and how long it would take for it to cool down to different temperatures. Aligns with F-LE.B.5 and F-LE.A.4.
TED Talks
Ted: Ted Ed: Logarithms Explained
This animated video explores logarithms and explains how they are used in chemistry. Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the...
Texas Instruments
Texas Instruments: Exploring Families of Functions
This activity provides students an opportunity to discover the similarities involved in shifting the parent functions for absolute value, quadratic, cubic, radical, exponential, and logarithmic functions. Students will also be given the...
Interactive Mathematics
Interactive Mathematics: Properties of Logarithms
The properties of logarithms are presented here, along with examples of how to apply to them to situations like population growth.
Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
Learn how to calculate logarithms (to base 10) and antilogarithms with this simple demonstration.
Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
A short tutorial on common logarithms to base 10. Good example exercises.
Math Medics
S.o.s. Math: Rules of Logarithms
A thorough treatment of the laws of logarithms, how they relate to the laws of exponents, and examples of each.
Hofstra University
Derivatives of Logarithmic and Exponential Functions
This site explains the derivatives of standard logarithmic and exponential functions. The site has example problems and grades your work, explaining errors you may have made when attempting the problem.
University of Saskatchewan (Canada)
University of Saskatchewan: Modelling Natural Growth
This site shows how to model exponential growth. The site walks the student through an example problem using logarithms to find the exponential growth of the theoretical world population.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Derivatives of Logarithmic and Exponential Functions
Students learn how to compute the derivative of logarithmic and exponential functions. The tutorial explores the calculus concepts through notes and examples. Review exercises and a topic summary are included.
Math2
Math 2: Exponential Identities and Logarithms
Exponential identities and logarithms that are commonly used are listed on this page.
Hofstra University
Hofstra University: Logarithmic and Exponential Functions
This is a 20 question quiz on logarithmic and exponential functions. This is a good way to be sure you know how to use logarithms and exponents. The site however only tells you if you've made a correct choice, there are no explanations.
Purple Math
Purplemath: Solving Logarithmic Equations: Solving From the Definition
This Purplemath lesson teaches students to solve logarithmic equations. There are many examples and links to solving with exponentials and calculator considerations at the top of the lesson.
University of Guelph
University of Guelph: Physics Tutorials: Logarithm Bases
This site explains the types of logarithms.
University of Saskatchewan (Canada)
University of Saskatchewan: Modeling Exponential Decay Using Logarithms
Radioactive decay is a real-life example of exponential decay. This site solves an example problem by using the exponential decay equation.
Paul Dawkins
Paul's Online Notes: Algebra: Applications
Provides examples of applications of exponential functions involving compound interest and exponential growth and decay, and an example of an application of a logarithm involving earthquake intensity.
TeachEngineering
Teach Engineering: Bone Mineral Density and Logarithms
Students examine an image produced by a cabinet x-ray system to determine if it is a quality bone mineral density image. Students write in their journals about what they need to know to be able to make this judgment. Students learn about...