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Doubling your money

Algebra Number Sense Data and probability Wow factor Any time math
2023-11-20 09:44:52

Doubling your money

My friend and I were arguing about how long it would take me to double my investment amounts.  How will your students figure this out?  Are there any tricks?  Explore investing and exponential growth as your students discover "The Rule of 72."  Also check out this Rule of 72 calculator  by Calculatorsoup.com & this video from Khan Academy on the Rule of 72 .

Either while or after students are discovering the rule of 72, consider using this rule of 72 calculator to help cement home the relationship.

For Adventurer members we have an editable Word docx, an Excel data file and solutions.




Activity Solutions & Supporting Materials
Tags:
7.RP.3 7.RP HSA-CED.A.2 HSF-LE.A.2 HSA-SSE HSA-CED 7th 8th HS HSF.LE.A.1 HSF.LE.A.4 HSS.MD rule of 72 HSN HSS/MP compound interest HSA.SSE.A.1
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