Lesson Plan
Curated OER

Exercise Set 3.3: Laws of Logarithms

For Teachers 9th - 12th
In this logarithms worksheet, high schoolers simplify and solve 100 logarithm problems.  Students use logarithem rules to prove logarithm properties and simplify logarithmic expressions.
Activity
Help Algebra

Help algebra.com: Properties of Logarithms

For Students 9th - 10th Standards
Three properties of logarithms are presented here (product, quotient, and power properties). Examples are provided to demonstrate how to use the properties to expand and simplify logarithmic expressions.
Activity
Math2

Math2.org: Exponential Identities

For Students 9th - 10th Standards
A list of exponential rules and logarithm rules for manipulating such terms and factors in equations or expressions.
Activity
Math2

Math 2: Exponential Identities and Logarithms

For Students 9th - 10th Standards
Exponential identities and logarithms that are commonly used are listed on this page.
Activity
Math2

Math 2: Exponential Identities and Logarithms

For Students 9th - 10th Standards
Exponential identities and logarithms that are commonly used are listed on this page.
Activity
Math Medics

S.o.s. Math: Rules of Logarithms

For Students 9th - 10th Standards
A thorough treatment of the laws of logarithms, how they relate to the laws of exponents, and examples of each.
Activity
Interactive Mathematics

Interactive Mathematics: Properties of Logarithms

For Students 9th - 10th Standards
The properties of logarithms are presented here, along with examples of how to apply to them to situations like population growth.
Activity
Purple Math

Purplemath: Basic Log Rules / Explanding Logarithmic Expressions

For Students 9th - 10th Standards
Purplemath gives both a formal and informal discussion of log rules with exercises. Examples include expanding, simplifying, and evaluating logarithms. Changing the base of a logarithm is also discussed with examples.