Compounding
Why time matters more than rate over long horizons, and how to compute it rather than repeat the slogan.
We mark it against a checklist you can read first
What counts as knowing this
Project a balance forward under compounding and show the working
A check for this one skill
Up to 3 questions on this skill alone, marked against the bar beside this. It stops as soon as the answer is clear. No account, and your answers are not kept.
Where it sits
Helpful, but not required
What it unlocks
Start on Personal Finance & Investing
Every skill above, ordered by what depends on what, with the projects above that as the evidence you actually did it. We work out where you already are first, so the path skips what you can do.
Start this path