Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
Learn how to calculate logarithms (to base 10) and antilogarithms with this simple demonstration.
![Pre Calculus Notes: Logarithmic (Log) Functions and Their Graphs [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Pre Calculus Notes: Logarithmic (Log) Functions and Their Graphs [Pdf] Handout")
Math Notes and Math Tests
Pre Calculus Notes: Logarithmic (Log) Functions and Their Graphs [Pdf]
The resource from a professor at San Diego Mesa College investigates logarithmic functions and their graphs. Topics examined are common logs, basic log properties, and domains of logarithmic functions. Class notes and examples are included.
eFunda
E Funda: Properties of Logarithmic Functions
A list of properties of logarithmic functions. A handy reference tool while working problems.
CK-12 Foundation
Ck 12: Analysis: Common and Natural Logarithms
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn about Common (base 10) and Natural (base ''e'') logarithms. Students examine guided notes, review guided practice, watch instructional...
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.
TED Talks
Ted: Ted Ed: How Does Math Guide Our Ships at Sea?
Explore the history of logarithms and sailing by watching this animated video. [4:19]
CK-12 Foundation
Ck 12: Analysis: Common and Natural Logarithms
[Free Registration/Login may be required to access all resource tools.] In this lesson students examine Common (base 10) and Natural (base ''e'') logarithms. Students examine guided notes, review guided practice, watch instructional...
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 young scholars 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...
Other
Math Mistakes: Common Algebra Mistakes
Learn from other student's mistakes by reviewing examples of the following Algebra topics: rational expressions, radical expressions, function notation, solving linear equations, solving linear inequalities, solving quadratic equations,...
Math2
Math 2: Exponential Identities and Logarithms
Exponential identities and logarithms that are commonly used are listed on this page.
Math2
Math 2: Exponential Identities and Logarithms
Exponential identities and logarithms that are commonly used are listed on this page.
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...
Curated OER
Integrated Publishing: Common Logarithms
Integrated Publishing offers this excellent page specifically on common logarithms.
Curated OER
Integrated Publishing: Common Logarithms
Integrated Publishing offers this excellent page specifically on common logarithms.
Curated OER
Integrated Publishing: Common Logarithms
Integrated Publishing offers this excellent page specifically on common logarithms.
CK-12 Foundation
Ck 12: Algebra Ii: 3.11 Modeling With Exponential Decay and Log Functions
This lesson continues exploring the process for modeling real world scenarios by writing and solving exponential and logarithmic functions. It also covers how to create and interpret graphs of such functions.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating
The task requires the student to use logarithms to solve an exponential equation in the realistic context of carbon dating. Aligns with F-LE.A.4.
Paul Dawkins
Paul's Online Notes: Calculus I: Review
Learners review the algebra and trigonometric skills needed in a Calculus course. Topics investigated are solving trigonometric equations, logarithmic functions, exponential functions, functions, and common graphs. Class notes,...
Purple Math
Purplemath: Algebra Resources
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
CK-12 Foundation
Ck 12: Algebra Ii: 3.7 Properties of Logs
This section explores the properties of logs. More specifically, it investigates how to apply these properties to simplify and expand logarithmic expressions, and to convert between expressions in logarithmic and exponential forms.
CK-12 Foundation
Ck 12: Algebra Ii: 3.6 Transformations of Log Functions
This section explores the many ways that logarithmic functions can be transformed, and how those transformations cause their graphs to be translated in different ways.
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: 3.4 Graphs of Logs as the Inverse of Exponential Functions
This lesson explores the statement that the log functions are identified as the inverse of exponential functions. These functions will be compared visually through the graphs of both the logarithmic and exponential functions.