Activity
Math Medics

S.o.s. Math:applications of Exponential and Logarithmic Functions: Interest Rate

For Students 9th - 10th Standards
A set of examples and exercises that cover interest rate problems and how to solve them using exponents and logarithms.
Activity
Cool Math

Coolmath: Exponentials & Logarithms More Ways to Use This Stuff

For Students 6th - 9th Standards
Learn about some practical, real-world examples of exponentials and logarithms.
Activity
Math Medics

S.o.s. Math: Graphs of Exponential & Logarithmic Function

For Students 9th - 10th Standards
This lesson gives brief description of dependent and independent variables and how they relate to the exponential and logarithmic functions.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Exponential Equations

For Students 9th - 10th Standards
Use your knowledge of logarithmic properties in order to solve "exponential equations where x is in the exponent, but the bases do not match." This tutorial offers simple examples and practice exercises for you to complete and check.
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.