Estimation Game

Practice the quick market-sizing, percentage, and back-of-the-envelope math that shows up in consulting interviews and case prep.

Estimation Parameters

5 operations enabled

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01

Build the rounding, magnitude, and mental setup skills needed before you ever reach for exact arithmetic in a case.

02

Drill the estimates, sanity checks, and percentage moves that keep a consulting interview conversation moving.

03

Review accuracy, percentage error, and answer-level results after each session to see where your estimation is improving.