The Power of 72

This is a quick way to calculate how long it will take to double your money if it is invested at a particular interest rate. It is all about the power of time. This site provides the formulas for finding how long it will take for your investment to double by inputting an interest rate. Another formula allows users to see at what interest rate their investment would double when the number of years is the input.
Resource ID#: 4378 Type: Virtual Manipulative
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Direct Link: http://www.themint.org/kids/power-of-72.html

General Information

Subject(s): Mathematics
Grade Level(s): 9, 10, 11, 12
Intended Audience: Students
Suggested Technology: Computers for Students, Internet Connection, Adobe Flash Player
Instructional Time: 15 Minute(s)
Keywords: power of 72, rule of 72, interest, formula, real-world, money, investment, financial, consumer, double your investment, doubling
Instructional Component Type(s): Virtual Manipulative,  Teaching Idea
Instructional Design Framework(s): Demonstration, Confirmation Inquiry (Level 1)
Resource Collection: General Collection

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