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Lesson

6 of 7 in Unit 7: Investing

Investment Fees & Taxes

9-12th Grades
45 min

Summary

Every investment quietly takes a cut before gains land, through fund fees, trading costs, and taxes. This lesson unpacks how expense ratios and capital gains taxes can make or break long-term returns.

Activities

Bellringer: The $10,000 Disappearing Act

  • Pose: two investors, same returns, very different ending balances — why?
  • Quick pair-share on what could account for the gap.
5 min

Instruction

  • Walk through expense ratios, capital gains, and dividend taxation.
  • Use slide examples to anchor each concept.
10 min

Activity: Investment Calculator Scenarios

  • Students model investments over 30 years at different fee levels using the Banzai Investment Calculator.
  • Run two scenarios separately: a one-time $5,000 lump sum, then a recurring $100/month contribution.
  • Compare outcomes across fee levels and discuss findings.
18 min

Discussion: Holding-Period Strategy

  • Debrief calculator results — surface the biggest fee gap students found.
  • Work through the 9-month holding scenario to show how patience converts short-term gains to long-term.
7 min

Wrap-Up & Assessment

  • What's the difference between short-term and long-term capital gains taxes?
  • Why does a 1% expense ratio matter over decades?
5 min

Lesson Prep

Investment Calculator thumbnail

Investment Calculator

Students explore how compound interest grows investments over time.

Class Presentation

Includes an 18-slide deck with teacher notes. Present from Banzai, download a PDF, or copy it to Google Slides.

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  • Teacher NotesSlide-by-slide guidance, printable as one handout

Unit 7: Investing

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