Mental math

Mental Math for Consulting Interviews

Train the fast, accurate arithmetic that makes case math effortless — with timed, flashcard-style practice.

What you'll practice

Built for real case interviews

  • Addition, subtraction, multiplication, division, and percentages
  • Consulting formulas: CAGR, NPV, breakeven, contribution margin
  • Timed flashcards that build real interview speed
  • Track accuracy and speed as you improve
Sample problem

Revenue grew from $10M to $14.6M over 3 years. What is the CAGR?

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Create a free account to start practicing mental math for consulting interviews with instant AI feedback — 3 drills a week, no card required.