Lesson Plan
TeachEngineering

Teach Engineering: Common and Natural Logarithms and Solving Equations

For Teachers 9th - 10th Standards
Students continue an examination of logarithms in the Research and Revise stage by studying two types of logarithms--common logarithms and natural logarithm. In this study, they take notes about the two special types of logarithms, why...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Natural Logarithms

For Students 9th - 10th Standards
Thirty-one problems present a variety of practice working with natural logarithms. 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 "View Solution" button...
Unit Plan
Math Is Fun

Math Is Fun: Working With Exponents and Logarithms

For Students 9th - 10th Standards
Clearly presented explanation of how logarithms and exponents work together, the properties of logarithms, the natural logarithm and the natural exponential functions, the common logarithm, changing the base, and real-world applications...
Activity
University of North Carolina

University of North Carolina Wilmington: Logarithmic Functions

For Students 9th - 10th
Defines logarithmic functions, offers interactive graphs of exponential equations, and explains natural logarithms.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Logarithm Functions

For Students 9th - 10th Standards
Detailed math tutorial introduces logarithm functions giving the basic properties and graphs. Also, discusses how to evaluate some basic logarithms including the use of the change of base formula, the common logarithm, log(x), and the...
Handout
Wolfram Research

Wolfram Math World: Natural Logarithm

For Students 9th - 10th Standards
This site gives graphs of logarithmic functions and pays particular attention to base 10 and base e (natural logarithm). The site explains how to change bases, the importance of the natural logarithm in calculus, incorporating the...
Activity
Other

Edinburgh: Natural Logarithm Function

For Students 9th - 10th Standards
Good detailed site explaining the natural logarithm. The site has links to related topics.
Activity
Other

Humboldt State University: Natural Logarithm

For Students 9th - 10th Standards
Wonderful natural logarithm site from the Humboldt State University with example problems.
Unknown Type
McGraw Hill

Glencoe Mathematics: Online Study Tool: Quiz on Natural Logarithms

For Students 9th - 10th
Learners demonstrate understanding of advanced mathematical concepts in Pre-Calculus. The online quiz assesses the scholars on natural logarithms.
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
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.