Improve mental math speed, market sizing accuracy, and quantitative analysis for case interviews.
How to handle NPV and discounting in case interviews fast: the perpetuity shortcut, the 10% default rate, no-calculator mental math, and exactly what to say out loud.
Jun 28, 2026
A no-fluff guide to the numerical reasoning test for consulting: which provider you will face, question types and weighting, the score you need, mental-math hacks, and in-page timed practice.
Jun 28, 2026
The best market sizing practice resources for case interviews, with a fully worked example, a reference-figure cheat sheet, sanity-check benchmarks, and a weekly drill plan.
Jun 3, 2026
Practice brain teaser questions with consulting-style examples, spoken solution patterns, answer rubrics, and targeted Road to Offer drills.
May 22, 2026
The free AI tools that actually run case math drills with feedback: ChatGPT, Claude, Gemini, Perplexity, and Road to Offer's Math Drill, plus the prompts, worked examples, and mental-math shortcuts that make them work.
May 8, 2026
6 formula families cover 90% of case math: profitability, pricing, growth, breakeven, NPV, market sizing. Memorize once, drill until automatic.
May 1, 2026
Case interview math tips that win offers: a four-step process, the round-first rule, unit discipline, reference numbers to memorize, and the mistakes that sink candidates.
May 1, 2026
The complete break-even guide for case interviews: the formula, contribution margin, break-even price, margin of safety, and five fully worked numeric examples with the actual arithmetic and the sanity-check that wins offers.
Mar 20, 2026
10 guesstimate interview questions with quick-reference answers, the 5-step framework used at McKinsey, BCG, and Bain, plus 3 fully worked examples.
Mar 20, 2026
When to use ROI, NPV, and payback period in case interviews, with formulas, worked examples, and how interviewers score the math.
Mar 20, 2026
Every consulting math formula for case interviews: margins, CAGR, break-even, ROI, NPV, market share, and unit economics. Each one with a worked example, when to use it, and the mistake that costs offers.
Mar 15, 2026
Mental math shortcuts for case interviews: CAGR rules, percentage tricks, large-number estimation, and 10+ timed drills to build MBB-level speed.
Mar 1, 2026
30 case interview math drills with step-by-step solutions across percentages, break-even, CAGR, market sizing, and profitability. Built for consulting math practice, MBB interviews, and timed drill reps.
Feb 6, 2026
The complete market sizing framework: the top-down vs bottom-up decision rule, a 5-step method, worked examples, a cheat-sheet table, and practice questions.
Feb 1, 2026
Get faster and more accurate at case interview math. Rounding, shortcuts, and drills for percentages, multiplication, and sanity checks, without a calculator.
Feb 1, 2026
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Run a free case or drill, scored on structure, math, and synthesis.
