CaseLane: AI-powered consulting interview preparation platform for McKinsey, BCG, and Bain interviews.

Fast Math Practice

Timed drills for mental math fluency used in case interviews. Level 1 is free.

What it is

Short, focused drills across division, percentages, weighted averages, BEDMAS, scientific notation, and more. Track mastery with accuracy and recency.

  • Level 1 free for all users
  • Adaptive mastery indicator
  • Time or question-based session limits
Screenshot coming soon

Study the concepts

Use the Math for Case Interviews course to learn techniques, then reinforce them here.

Open course

Start a session

Configure difficulty, choose exercises, and begin practicing.

Go to Fast Math