Percent Rate of Change

If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future values of accounts with compound interest.  

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CCSS: Designed
Instructional Ideas

  • Have the class research interest rates at various local banks
Classroom Considerations

  • Learners should have prior experience with some basic compound interest problems in Algebra I
  • Pupils need to also have an intuitive understanding of limits
Pros

  • Resource includes a problem set to use as either a homework assignment or class work
  • Scaffolding tips give teachers ideas on how to make learning accessible to all class members
Cons

  • None