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Andrea Chen
(New Orleans - United States)I am a high school English teacher in New Orleans taking the year off to read good books and relax. I currently work for the New Orleans Center for Creative Arts, designing an arts-integrated academic curriculum to prepare students for a rapidly changing ...
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- From: San Diego Area Knowledge Exchange for Developmental Math (SAKE)
- Contributed By: SAKE Owner SAKE Owner
The lesson begins with an application problem to motivate the necessity and use of a logarithm. The formal definition linking logs and exponents is then introduced. Exercises in writing exponential equations as logarithms follows before a calculator based method for approximating logarithmic values is discussed. The common log, i.e. logs of base 10, is introduced and a procedure for solving common log equations with a calculator is presented, along with various caveats about proper syntax for the calculator. The lesson concludes with exponential modeling problems where logs may be employed to find the desired exponent.
