University of Guelph
University of Guelph: Logarithms
Exceptional page explaining almost anything you might want to know about logarithms.
Oswego City School District
Regents Exam Prep Center: Logarithmic Expressions and Equations
Students learn about logarithmic expressions and equations. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource consists of application to forensics.
Texas Education Agency
Texas Gateway: Transformations of Exponential and Logarithmic Functions
Given an exponential or logarithmic function, the student will describe the effects of parameter changes.
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...
Math Medics
S.o.s. Math: Properties of Logarithms
Site provides the many properties of logarithms, including common and natural logarithms. Also gives examples and formulas for each.
Texas Instruments
Texas Instruments: Logarithmic Functions
These questions test knowledge of the definition of a logarithm, domain and range of logarithmic functions, and properties of logarithms. Questions are true/false and multiple-choice; solutions are provided.
Integrated Publishing
Components of Logarithms
A basic informational page on logarithms, including examples and practice problems.
Math Medics
S.o.s. Math: Exponential and Logarithmic Functions / Amortization
A set of examples and exercises that cover how to solve mortgage problems by using exponents and logarithms.
Richland Community College
Richland Community College: Logarithmic Functions
This site from Richland Community College includes basic definition, properties, and graph of the logarithmic function.
Cool Math
Coolmath: Some Special Logs
This CoolMath resource will help students learn about exponentials and logarithms.
University of Saskatchewan (Canada)
University of Saskatchewan: Modelling Natural Growth
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.
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.
University of Saskatchewan (Canada)
University of Saskatchewan: Modeling Exponential Decay Using Logarithms
Radioactive decay is a real-life example of exponential decay. This site solves an example problem by using the exponential decay equation.
Illustrative Mathematics
Illustrative Mathematics: F Le Snail Invasion
In this task, students investigate the power of exponential growth in this real-world example of an invasive species that was introduced to Florida in 1966, a giant snail. Aligns with F-LE.A.2 and F-LE.A.4.
Illustrative Mathematics
Illustrative Mathematics: F Le Bacteria Populations
This task provides a real-world context for interpreting and solving exponential equations. Students are asked to examine the equations representing the growth of three colonies of the bacterium that causes pneumonia, each colony being...
University of California
University of California: Logarithmic Differentation
Online notes with examples and solutions.
Science Buddies
Science Buddies: Make Your Own P H Paper
In this "kitchen chemistry" project about acid/base chemistry, you will measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. As you learn about the pH scale, you will have the chance to make your...
Khan Academy
Khan Academy: Preparing to Study Chemistry
This resource provides a summary of some fundamental math and science concepts that will be helpful in learning chemistry. Links are provided to help you learn or review the material on Khan Academy.
Illustrative Mathematics
Illustrative Mathematics: F Le Newton's Law of Cooling
For this problem, students use an exponential equation to investigate the cooling of a cup of coffee and how long it would take for it to cool down to different temperatures. Aligns with F-LE.B.5 and F-LE.A.4.
Shodor Education Foundation
Shodor Interactivate: Lesson: Properties of Fractals
Students explore the properties of fractal dimesions.
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