Handout
Math Medics

S.o.s. Math: Exponential and Logarithmic Functions / Population

For Students 9th - 10th Standards
A set of examples and exercises that cover how to solve population problems by using exponents and logarithms.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Exponential and Logarithmic Functions

For Students 9th - 10th
Students learn about exponential functions, logarithmic functions, and applications of exponential functions. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource...
Handout
Math Medics

S.o.s. Math: Exponential and Logarithmic Functions /Radioactive Decay

For Students 9th - 10th Standards
A set of examples and exercises that show how to solve radioactive decay problems by using exponents and logarithms.
Activity
Cool Math

Coolmath: Exponentials & Logarithms Alien Amoebas

For Students 6th - 9th
Use the example of alien amoebas to understand exponentials and logarithms.
Activity
Paul Dawkins

Paul's Online Notes: Exponential and Logarithm Equations Practice Problems

For Students 9th - 10th Standards
In this section we will discuss various methods for solving equations that involve exponential functions or logarithm functions.
Activity
Other

Wpi: Applications of Exponential & Logarithmic Functions

For Students 9th - 10th Standards
This site explains the Applications of exponential and logarithmic functions with exercises to help the student understand the applications.
Activity
Purple Math

Purplemath: Logarithms: Introduction to "The Relationship"

For Students 9th - 10th Standards
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...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Bacteria Populations

For Teachers 9th - 10th Standards
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...
eBook
CK-12 Foundation

Ck 12: 3.4 Graphs of Logs as the Inverse of Exponential Functions

For Students 9th - 10th Standards
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Snail Invasion

For Teachers 9th - 10th Standards
In this task, learners 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.
Activity
Richland Community College

Richland Community College: Logarithmic Functions

For Students 9th - 10th Standards
This site from Richland Community College includes basic definition, properties, and graph of the logarithmic function.
Handout
Other

Brown Math: It's the Law Too the Laws of Logarithms

For Students 9th - 10th
The laws of logarithms (which flow directly out of the laws of exponents) are discussed here. Combining logs with the same base and the Change of Base Formula are also explained in straightforward language for the reader.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Logarithmic Functions

For Students 9th - 10th Standards
This clear tutorial provides the definition of a logarithmic function as well as instruction on how to perform important tasks with them. Find step-by-step solutions to example problems and practice exercises for you to complete and check.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 3.8 Solving Logarithmic Equations

For Students 9th - 10th Standards
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.
Graphic
Richland Community College

Richland Community College: Exponential Models

For Students 9th - 10th Standards
This site from Richland Community College contains specific examples of where logarithmic and exponential formulas are used, including: exponential growth and decay, Gaussian, logistics growth, and logarithmic.
Activity
University of Vienna (Austria)

Math Online: Functions

For Students 9th - 10th Standards
This interactive site uses applets to show sample graphs of each simple power function, a function plotter, graph puzzles, and more. Great site.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 3.7 Properties of Logs

For Students 9th - 10th Standards
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.

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