Corporate Finance
Everyday finance-team math: quick arithmetic, EV judgment, and estimation.
60 seconds, four operators, zero calculator.
Mental Math Sprint
Add, subtract, multiply, and divide against the clock. Problems get harder the longer your streak runs.
Take it, or pass?
Expected Value Challenge
You're offered a bet with a win amount, a loss amount, and a probability. Decide fast whether the expected value says take it.
Which bet actually pays more?
PremierOptimization Challenge
Two bets, one choice. Compute the expected value of each and pick the one that actually maximizes it.
How many piano tuners are in Chicago?
PremierFermi Estimation
Order-of-magnitude estimation questions. You don't need to be exact — you need to be in the right ballpark, fast.
Correlation isn't causation.
PremierData Intuition
Short scenarios testing statistical intuition: confounders, sample size, R², and the causation trap.
Some games on this track need Premier. See pricing →