Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Logarithms
Find a quick, concise explanation of logarithms. Examples are given and clearly explained.
Other
Properties and Laws of Logarithms
Learners explore properties and laws of natural logarithms and logarithms. The mathematics resource consists of lecture notes, downloadable graph paper in PDF format, and links for homework help and TI calculator help.
Other
University of California: Exponential and Logarithmic Rules [Pdf]
A 2-page reference that outlines the what a logarithm is, the rules of exponents and logs, and how to solve simple exponential and log equations.
Integrated Publishing
Components of Logarithms
A basic informational page on logarithms, including examples and practice problems.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Logarithms
Here is a site that clearly and thoroughly explains logarithms and their properties. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Logarithms
Here is a site that clearly and thoroughly explains logarithms from the definition through the properties. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out...
Purple Math
Purplemath: Solving Exponential Equations: Solving From the Definition
This Purple Math site has many examples of exponential equations, without using logarithms.
Purple Math
Purplemath: Logarithms: Introduction to "The Relationship"
Purplemath does a wonderful job of explaining logarithms. The lesson begins with a discussion of the relationship between logarithms and exponentials and very simple examples. The lesson gives important information regarding logarithms...
Cool Math
Coolmath: Inverse Tricks
Explanation and examples of inverse functions with exponents and logarithms.
Cool Math
Coolmath: Tricks to Help With Solving Log Equations
Explanation and examples for solving logarithmic equations.
Math Planet
Math Planet: Algebra 2: Logarithm and Logarithm Functions
Provides an explanation, examples, and a video lesson all related to logarithm functions.
Math Planet
Math Planet: Algebra 2: Logarithm Property
Provides an explanation, examples, and a video lesson all related to the logarithm property.
Paul Dawkins
Paul's Online Notes: Exponential and Logarithm Equations Practice Problems
In this section we will discuss various methods for solving equations that involve exponential functions or logarithm functions.
Paul Dawkins
Paul's Online Notes: Logarithmic Functions Practice Problems
In this section we will discuss logarithm functions, evaluation of logarithms and their properties. We will discuss many of the basic manipulations of logarithms that commonly occur in Calculus (and higher) classes. Included is a...
Cool Math
Coolmath: Exponentials & Logarithms More Ways to Use This Stuff
Learn about some practical, real-world examples of exponentials and logarithms.
Cool Math
Coolmath: Exponentials and Logarithms
Wrap up a bigger pre-calculus tutorial by taking a look at exponentials and logarithms.
BBC
Bbc: Higher Bitesize Maths: Logarithms
A tutorial on logarithm includes topics such as the laws of logarithms, using a calculator to evaluate, and applying logarithms to real world situations. Examples and a practice test are available.
Illustrative Mathematics
Illustrative Mathematics: F Le Exponential Kiss
The purpose of this task is to use technology to study the behavior of some exponential and logarithmic graphs and to manipulate some explicit logarithmic and exponential expressions. Aligns with HSF-LE.A.4, F-BF.B.5, and F-IF.C.7.e.
Illustrative Mathematics
Illustrative Mathematics: F Bf Exponentials and Logarithms Ii
The purpose of this task is to help students see that the definition of the logarithm as an exponent results in an inverse relationship between the exponential and logarithm functions with the same base. This prepares them to think about...
Illustrative Mathematics
Illustrative Mathematics: F Bf Exponentials and Logarithms I
The purpose of this task is to help learners see the "why" behind properties of logs that are familiar but often just memorized (and quickly forgotten or misremembered). The task focuses on the verbal definition of the log, helping...
Khan Academy
Khan Academy: Algebra Ii: Relationship Between Exponentials & Logarithms
Solve various problems that focus on the relationship between a^x=b and log_a(b)=x. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra Ii: Evaluate Logarithms: Change of Base Rule
Evaluate any logarithm in a calculator with the use of the change of base formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra Ii: Evaluate Logarithms
Evaluate basic logarithmic expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra Ii: Evaluate Logarithms (Advanced)
Evaluate advanced logarithmic expressions by using the fact that a^x=b is equivalent to log_a(b)=x. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.