Hi! Is there an exhaustive lost of all the possible math concepts one would need to know for case interviews?
Back to overview
18
0
Math concepts
5
3.5k
Be the first to answer!
Nobody has responded to this question yet.
Top answer
Vlad
on Jun 02, 2020
Coach
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi,
Here is a set of things you need to know:
1) Math and formulas:
- Interest rates calculations
- Compound margin
- NPV using the Rule of 72, Perpetuity
- CAGR using the Rule of 72
- Currencies exchange calculations
- Speed, time, distance calculations
- Equations, systems of equations
- Integral (calculating the area of geometric figures to solve case problems)
- Ratio & Proportions
- Little's Law
- Profit / breakeven formula
- Correlations, outliers (being able to spot on the graphs, tables)
2) Fast math skills
- Rounding up and down
- Learn how to multiply double digit numbers (https://www.youtube.com/watch?v=6ndkkPZYJHo)
- Learn the division table up to 1/11 (i.e. 5/6 = 83.3)
- Learn how to work with zeros using powers (e.g.: 4000000 = 4*10ˆ6)
Use math tools (Mimir math for iOS), Math tool on Viktor Cheng website to practice
3) Working with tables and graphs and deriving conclusions
- Study "Say it with Charts" book
- Check all available MBB presentations and publications. Practice to derive conclusions and check yourself with the actual ones from the article / presentation
- GMAT IR part (Official guide and Manhattan prep)
- Learn basic statistics (Any GMAT or MBA prep guides)
Good luck!
0 comments
Ian
edited on Jun 02, 2020
Coach
Top US BCG / MBB Coach - 5,000 sessions |Tech, Platinion, Big 4 | 9/9 personal interviews passed | 95% candidate success
- 100% Recommend Rocket Blocks. It's exactly what you're looking for https://www.rocketblocks.me/
- In addition to that, you can ask other PrepLoungers to case you on chart/math-heavy cases. You can also search for those case types here and work through them yourself.
Some key formulas/concepts:
- Breakeven
- NPV (with + without growth, perpituity + 1-2 years from now)
- % Change
- ROI
- Margin
- Markup
- Inventory turnover
Emily
on Jun 02, 2020
Coach
Ex Bain Associate Partner, BCG Project Leader | 9 years in MBB SEA & China, 8 years as interviewer | Free intro call
Hi,
There has been quite some similar questions asked before on PrepLounge. You can refer to the following.
https://www.preplounge.com/en/consulting-forum/bcg-finance-formulas-1438
Best,
Emily
Clara
on Jun 02, 2020
Coach
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
Hello, plz PM me!
Deleted user
on Jul 17, 2020
Dear A,
Here is some financial formula you need you know:
• Revenue
• Fixed and variable costs
• Profits
• Return on investment
• Payback period
Best,
André
Similar Questions
Most Popular Posts
Should an aspiring consultant apply to 100 companies or just to 10 targeted companies? Kindly elaborate for each option. Open for additional advice.
9
on Nov 25, 2025
UK
8
100+
Top answer by
Jade
Coach
Bain ⎮ MBB & 2nd Tier offer holder ⎮ 100% success rate so far! You can do it too
8 Answers
100+ Views
+5
BCG SEA R1 - Experienced Hire
9
on Nov 26, 2025
Asia
9
100+
Top answer by
Ariadna
Coach
BCG London | Project Leader and Experienced Interviewer | MBA at London Business School
9 Answers
100+ Views
+6
Hi, which consulting firms should I be considering applying to as an experienced hire working in healthcare?
15
on Nov 28, 2025
UK
8
100+
Top answer by
Kevin
Coach
Ex-Bain (London) | Private Equity & M&A | 12+ Yrs Experience | The Reflex Method | Free Intro Call
8 Answers
100+ Views
+5
BCG prep after McKinsey rejection after R2
11
on Nov 30, 2025
Europe
7
100+
Top answer by
Pedro
Coach
BAIN | EY-P | Most Senior Coach @ Preplounge | Former Principal | FIT & PEI Expert
7 Answers
100+ Views
+4
MBB Exit chances after being counseled out
9
on Dec 01, 2025
Global
5
100+
Top answer by
Tiago
Coach
Harvard MBA | ex-BCG Consultant | BCG Recruiting Team & Interviewer | +150 interviews
5 Answers
100+ Views
+2