Grades 6–8Ages 11–14 · Unit 3.5 · Saving and the Time Factor
What an index fund actually is: a free worksheet for grades 6–8.
An index fund buys a small piece of many companies at once. You are not picking winners — you are buying the whole scoreboard. This sheet asks what that actually means when something goes wrong, and then the question most adults cannot answer: why does the simple option usually win?
No account. No email. Nothing collected about your child.
What is on the page
- What happens when one company fails, two ways
- A plain-language definition of an index
- The question of why simple beats clever
- An answer page with the arithmetic, not a statistic
What it teaches
- What you own when you buy a fund
- That diversification spreads risk without removing it
- Why the average active investor must trail the index after costs
How to run it
The answer to “why does simple win” needs no statistic. An index is the average of its market, so before costs the average active investor earns the average — and after costs, less. Ask whether everyone can be above average.
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Where it comes from
Unit 3.5 · Saving and the Time Factor of a 266-lesson curriculum.
This sheet is one activity, unchanged, from Financial Foundations™. Teachers can run a free five-week pilot with one class. Families can take the Family Edition home.