If money was left in an interest-earning account for 1,000 years, how much would it increase? Viewers watch a clip from a show about the future when someone learns about their balance after 1,000 years. Then, they solve for the amount in the account and discuss how long it would take to double it.

Concepts

exponential growth, exponential functions, math modeling

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Additional Tags

math

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Instructional Ideas

• After solving the problem, have students solve for the worth, factoring in inflation
• Resolve the problem considering different compounding terms

Classroom Considerations

• Relies on prior knowledge of solving exponential growth equations

Pros

• Links exponential growth to a popular television show
• Includes a video answer

Cons

• None

Common Core

HSF-LE.A.1.a HSF-LE.A.2 MP4