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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...
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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...
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Activity
Texas Instruments

Texas Instruments: Exponential and Logarithmic Equations

For Teachers 9th - 10th Standards
This problem set contains questions about exponential and logarithmic equations for base e, base 10, and any base b. Problems range from simple manipulation to applications, including graphical transformations. Solutions and explanations...
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Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Exponents and Exponential Functions

For Students 9th - 10th Standards
This site reviews the basic properties of exponents, and explains rational exponents and exponential functions, including those with base "e." Provides examples and lots of exercises.
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Activity
Anne Arundel Community College

Anne Arundel Community College: Math 131: Special Bases

For Students 9th - 10th
The tutorial examines base 10 and base e. Students learn about the mathematics concepts through examples with detailed solutions.
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Activity
Other

Humboldt State University: Natural Logarithm

For Students 9th - 10th Standards
Wonderful natural logarithm site from the Humboldt State University with example problems.
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Handout
Bryn Mawr College

Bryn Mawr College: Logarithms

For Students 9th - 10th Standards
Some basic, but quality logarithm information.
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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...
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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.
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Unknown Type
Khan Academy

Khan Academy: Solve Exponential Equations Using Logarithms: Base 10 and Base E

For Students 9th - 10th Standards
Solve exponential equations that have 10 or e at the base of the exponential term. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Activity
Windstream

Ojk's Precalculus Study Page: Change of Base Formula

For Students 9th - 10th Standards
An introduction to logarithms with bases other than 10 and e, and how to work with them when solving equations. This tutorial includes lots of examples and exercises with solutions.