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Unit Plan

Math Is Fun: Compound Interest

Curated by ACT

Explains, with examples, what compound interest is and how to calculate it using a formula. Also shows how to work backwards to calculate the present value of an investment, how compound interest is calculated for different compounding periods, and how to calculate the interest rate or the number of compounding periods if you know other figures. Includes a set of practice questions.

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CCSS: Adaptable
Concepts
exponential decay, exponential growth, compound interest
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Additional Tags
compounding period, constant percent rate, present value, math is fun, math is fun: compound interest, oh.math.hsf.le.1c, interest rate, recognize when a quantity grows or decays by a constant percent rate per unit interval relative to another
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
Common Core
HSF-LE.A.1.c