Logarithms Project: Mega-Bucks, Comparing Interest Rates

Janet Knox
Grade Levels
10th - 12th, Higher Education, Homeschool
Formats Included
  • PDF
8 pages
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Janet Knox


Follow your accountant's advise or invest in your friend's restaurant?

Fun project requires students to compare two types of compound interest and calculate how long it would take to save four specified amounts.

Includes formula sheet, directions, rubric, simple answer key, and detailed solutions to display to your class.

***Click the preview to see a sample.***


This project is ALSO included in:

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Total Pages
8 pages
Answer Key
Included with rubric
Teaching Duration
90 minutes
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to see state-specific standards (only available in the US).
For exponential models, express as a logarithm the solution to 𝘒𝘣 to the 𝘀𝘡 power = π˜₯ where 𝘒, 𝘀, and π˜₯ are numbers and the base 𝘣 is 2, 10, or 𝘦; evaluate the logarithm using technology.
Distinguish between situations that can be modeled with linear functions and with exponential functions.


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