The Rule of 72

Twelfth graders investigate the viability of the Rule of 72.  In this calculus lesson, 12th graders use a graphing calculator to examine the Rule of 72 and determine the degree of error when using the rule to determine how long it will take an investment to double as opposed to using the formula for compound interest. 

12th Math 6 Views 21 Downloads
Resource Details

Subjects
Math
1 more...
Resource Type
Lesson Plans
Technology
Calculator
Year
1999

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