+
Activity
Analyze Math

Analyze Math: Integral Form of the Definition of Natural Logarithm Ln(x)

For Students 9th - 10th
The applet examines the definition of the natural logarithm ln(x).
+
Activity
Other

Wpi/app. Of the Natural Logarithm and Exponential

For Students 9th - 10th Standards
A page showing real life applications of natural logarithms in exponential grown and decay functions and Newton's law of cooling. Also includes exercises.
+
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Common and Natural Logarithms

For Students 11th - 12th
[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...
+
Activity
Math Medics

S.o.s. Math: Properties of Logarithms

For Students 9th - 10th Standards
Site provides the many properties of logarithms, including common and natural logarithms. Also gives examples and formulas for each.
+
Activity
Other

Properties and Laws of Logarithms

For Students 9th - 10th Standards
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.
+
Handout
University of Guelph

University of Guelph: Logarithms

For Students 9th - 10th Standards
Exceptional page explaining almost anything you might want to know about logarithms.
+
Activity
Other

Numbers, Constants, and Computation: The Logarithm Constant : Log(2)

For Students 9th - 10th Standards
This site explains The logarithm constant : log(2). It is a very comprehensive site.
+
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Common and Natural Logarithms

For Students 11th - 12th
[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...
+
Unit Plan
Cuemath

Cuemath: Logarithms

For Students 9th - 10th Standards
A comprehensive guide for learning all about logarithms with definitions, the rules or properties of logs, common and natural logs, negative logs, how to expand logs, solved examples, and practice questions.
+
Activity
Wolfram Research

Wolfram Math World: Common Logarithm

For Students 9th - 10th Standards
This MathWorld site gives two and three dimensional graph representations of the common logarithmic function, explains its notation, and shows how to represent a common logarithm as a natural logarithm. This site contains numerous...
+
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: The Natural Base, E

For Students 9th - 10th
Nineteen problems present a variety of practice working with natural logarithms, the natural base, e. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
+
Interactive
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Logarithms

For Students 9th - 10th Standards
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...
+
Activity
Paul Dawkins

Paul's Online Notes: Logarithmic Functions Practice Problems

For Students 9th - 10th Standards
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...
+
Activity
BBC

Bbc: Higher Bitesize Maths: Logarithms

For Students 9th - 10th Standards
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.
+
Activity
Other

The Prime Glossary: Logarithmic Function

For Students 9th - 10th Standards
A glossary definition of a Logarithmic Function. Click on any of the terms in the article for more information about them.
+
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Logarithmic Functions

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] Evaluating logarithmic functions by comparing to exponential functions and rewriting to solve.
+
Handout
Bryn Mawr College

Bryn Mawr College: Logarithms

For Students 9th - 10th Standards
Some basic, but quality logarithm information.
+
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Exponential Functions

For Students 9th - 10th Standards
Hotmath provides 21 practice problems relating to exponential an logarithmic functions. Each of the practice problems include a step-by-step guide for solving their function.
+
Unit Plan
TeachEngineering

Teach Engineering: Bone Mineral Density and Logarithms

For Teachers 9th - 10th
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...
+
Handout
Other

Principia Cybernetica Web: Logarithm

For Students 9th - 10th Standards
Short site with links to related sites on the topic of the Logarithm
+
Handout
University of Saskatchewan (Canada)

University of Saskatchewan: Modelling Natural Growth

For Students 9th - 10th
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.
+
Activity
University of California

University of California: Integrals and the Natural Log

For Students 9th - 10th Standards
This site explains the natural log and its integral. Includes examples.
+
Handout
Math Words

Math words.com: Natural Logarithm

For Students 9th - 10th Standards
A brief explanation for what the natural logarithm is. Shows how to write the natural logarithm of x.
+
Handout
Wikimedia

Wikipedia: Common Logarithm

For Students 9th - 10th Standards
Discusses using a table of logarithms before the use of calculators, gives an example of a logarithm and the parts of a logarithm, and also discusses the difference in the way mathematicians and engineers write logarithms.