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Mental Math ressources

case math fast math math logic
Neueste Antwort am 1. Sept. 2023
Die beste Antwort (am 1. Sept. 2023) ist von:
Clara
Experte
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
Clara
Experte
gab die beste Antwort am 1. Sept. 2023
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
Hello! Precisely for the high amount of questions (1) asked by my coachees and students and (2) present in this Q&A, I created the “Economic and Financial concepts for MBB interviews”, recently published in PrepLoun ... (ganze Antwort lesen)
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am 1. Sept. 2023 am 1. Sept. 2023
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Mental math competition

fast math
Neueste Antwort am 31. Aug. 2023
Die beste Antwort (am 21. Juni 2023) ist von:
Cristian
Experte
#1 rated MBB & McKinsey Coach
Cristian
Experte
gab die beste Antwort am 21. Juni 2023
#1 rated MBB & McKinsey Coach
Hi there,  Yes, you can use this: https://arithmetic.zetamac.com/ It's basic and straight to the point.  However - without knowing where you are in the process - most candidates need to work on their technique for appro ... (ganze Antwort lesen)
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am 31. Aug. 2023 am 31. Aug. 2023
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Request for a division table for percentage conversions

case math Division fast math Math tool
Neueste Antwort am 31. Aug. 2023
Anonym gab die beste Antwort am 8. Dez. 2018
Hey there, I made the following quickly on Excel. However, I wouldn't advise you to try memorise the whole thing, as it's a) a lot to try remember and b) doesn't have that much value. Rather, memorise the first column ... (ganze Antwort lesen)
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am 31. Aug. 2023 am 31. Aug. 2023
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Math for case interviews

Case Interview fast math math
Neueste Antwort am 27. Juli 2023
Die beste Antwort (am 26. Feb. 2020) ist von:
Vlad
Experte
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Experte
gab die beste Antwort am 26. Feb. 2020
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, I recommend downloading all casebooks available online and check the math problems. You'll have a good list. Here are some of them to keep in mind: Interest rates calculations Compound margin NPV using the ... (ganze Antwort lesen)
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am 27. Juli 2023 am 27. Juli 2023
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Preparing from the basics

1stround BCG Case Interview BCG McKinsey and Bain fast math Framework hypothesis mental math numerical Structure
Neueste Antwort am 10. März 2023
Die beste Antwort (am 8. März 2023) ist von:
Francesco
Experte
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Francesco
Experte
gab die beste Antwort am 8. März 2023
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Hi there, Q: I am looking for advice on how to prepare.  In terms of general preparation, I would recommend the following: Define a calendar for your preparation. Identify how many hours you have before your interview a ... (ganze Antwort lesen)
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am 10. März 2023 am 10. März 2023
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Is getting good at mental math important after job offer

fast math Math problem Mental Maths
Neueste Antwort am 25. Nov. 2022
Die beste Antwort (am 23. Nov. 2022) ist von:
Florian
Experte
Highest-rated McKinsey coach (ratings, offers, sessions) | 500+ offers | Author of The 1% & Consulting Career Secrets
Florian
Experte
gab die beste Antwort am 23. Nov. 2022
Highest-rated McKinsey coach (ratings, offers, sessions) | 500+ offers | Author of The 1% & Consulting Career Secrets
Hi there, I would say it is very helpful as it allows you to quickly calculate, estimate, or sanity-check numbers in client meetings or team problem solving sessions. You would not always have the time to pull out your ... (ganze Antwort lesen)
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am 25. Nov. 2022 am 25. Nov. 2022
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Math: word problems exercises

Case Interview case interview preparation case math fast math math Math problem mental math Word problems
Frage bearbeitet am 5. Sept. 2021
Die beste Antwort (am 8. Aug. 2018) ist von:
Vlad
Experte
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Experte
gab die beste Antwort am 8. Aug. 2018
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, Something that helped my candidates - download ALL casebooks available online and go through the math problems in the cases. They will give a good sense of required business terminology. Then you can google what y ... (ganze Antwort lesen)
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am 5. Sept. 2021 am 5. Sept. 2021
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Best resources for math improvement? (for a complete number novice!)

fast math math mental math Quantitative skills
Letzte Aktivität am 5. Sept. 2021
Die beste Antwort (am 22. Aug. 2019) ist von:
Vlad
Experte
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Experte
gab die beste Antwort am 22. Aug. 2019
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, Basically, you need to develop 3 calculation skills: 1) Learn how to multiply double-digit numbers (https://www.youtube.com/watch?v=6ndkkPZYJHo). 2) Learn how to work with zeros. Best way - always use 10^power ... (ganze Antwort lesen)
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am 5. Sept. 2021 am 5. Sept. 2021
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Is quick mental math a skill that can be learned?

fast math
Frage bearbeitet am 5. Sept. 2021
Die beste Antwort (am 28. Okt. 2019) ist von:
Francesco
Experte
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Francesco
Experte
gab die beste Antwort am 28. Okt. 2019
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Hi Anonymous, it seems your problem is not the math itself, but the math under pressure. This is a very common problem for many candidates. The majority of the people are actually fine with math when there is no pre ... (ganze Antwort lesen)
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am 5. Sept. 2021 am 5. Sept. 2021
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Moltiplications/divisions with 6+ digits numbers, estimation math_Tricks

Case Maths estimation fast math GMAT MathSkills IB Guessestimation Math problem
Neueste Antwort am 16. Nov. 2020
Die beste Antwort (am 16. Juni 2020) ist von:
Francesco
Experte
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Francesco
Experte
gab die beste Antwort am 16. Juni 2020
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 10Y+ Coaching
Hi Anonymous, in general, the main issues with big numbers is forgetting zeros during operations. Potential tips to deal with big numbers are the following: Use correctly 10^ powers in your math computation. For e ... (ganze Antwort lesen)
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am 16. Nov. 2020 am 16. Nov. 2020
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Feeling stuck at Case Practice

case math case math' Case Maths case structure Case structure and frameworks Case Structuring Consutingmath fast math GMAT MathSkills IB Structure
Neueste Antwort am 26. Okt. 2020
Die beste Antwort (am 20. Okt. 2020) ist von:
Adi
Experte
Accenture, Deloitte | Precision Case Prep | Experienced Interviewer & Career Coach | 15 years professional experience
Adi
Experte
gab die beste Antwort am 20. Okt. 2020
Accenture, Deloitte | Precision Case Prep | Experienced Interviewer & Career Coach | 15 years professional experience
Hi there, Two tips : 1. Practice, practice, and just dont give up. Give yourself time & celebrate little successes. Take a break for couple of days here and there and do something fun/creative to unclock the tra ... (ganze Antwort lesen)
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am 26. Okt. 2020 am 26. Okt. 2020
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Mental Math Help!

Case Timing fast math mental math Mental Maths
Letzte Aktivität am 24. Sept. 2020
Die beste Antwort (am 24. Sept. 2020) ist von:
Ken
Experte
Ex-McKinsey final round interviewer | Executive Coach
Ken
Experte
gab die beste Antwort am 24. Sept. 2020
Ex-McKinsey final round interviewer | Executive Coach
When I was a candidate myself, I made a stupid math mistake (double counting) for my final round interview with a senior partner. Fortunately, it didn't lead to a rejection but I was asked to come back for an additional ... (ganze Antwort lesen)
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am 24. Sept. 2020 am 24. Sept. 2020
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Mental math app for practising fractions/percentages

case math fast math fraction math mental math percentage
Letzte Aktivität am 8. Aug. 2020
Die beste Antwort (am 13. Apr. 2020) ist von:
Luca
Experte
BCG |NASA | SDA Bocconi & Cattolica partner | GMAT expert 780/800 score | 200+ students coached
Luca
Experte
gab die beste Antwort am 13. Apr. 2020
BCG |NASA | SDA Bocconi & Cattolica partner | GMAT expert 780/800 score | 200+ students coached
Hello Richard, Thanks for sharing! Actually I have many candidates that struggle with mental math, I will take a look to your app. Best, Luca
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am 8. Aug. 2020 am 8. Aug. 2020
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Division techniques

case math Division fast math Math problem math test mental math
Neueste Antwort am 8. Juli 2020
Die beste Antwort (am 19. Feb. 2018) ist von:
Vlad
Experte
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Vlad
Experte
gab die beste Antwort am 19. Feb. 2018
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi, There are two techniques that you can use: 1) Learn how to work with zeros. Best way - always use 10^power instead of zeros Example: 300x9000 = 3*10ˆ2 x 9*10ˆ3=3x9*10ˆ(2+3)=27*10ˆ5 Handwritten it looks no ... (ganze Antwort lesen)
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am 8. Juli 2020 am 8. Juli 2020
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Math tricks for small decimal numbers

fast math Math problem
Letzte Aktivität am 9. Nov. 2018
Anonym A gab die beste Antwort am 7. Sept. 2017
Hi Jana, It won't work where you have really ugly numbers but one trick to keep in mind is the 'invert and multiply'. So to use your case: 0.024/0.08 = (0.024/1) / (4/5) = 0.024 * 5 / 4 ... (ganze Antwort lesen)
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am 9. Nov. 2018 am 9. Nov. 2018
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How to quickly calculate and analyze market share tables?

Exercise fast math Logic Math
Letzte Aktivität am 25. Sept. 2018
Anonym gab die beste Antwort am 25. Sept. 2018
Not sure whether I get the question... So BYB has 38% $-marketshare and 34%-unit share, then their $-share is overindexed by (38/34 = 1.12 (approx.)). So if every bus costs 150k (6 bln / 40 k), then their busses cost ... (ganze Antwort lesen)
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am 25. Sept. 2018 am 25. Sept. 2018
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Compound Annual Growth Rate McKinsey PST Questions

CAGR fast math Math tool McKinsey McKinsey PST
Frage bearbeitet am 28. Jan. 2018
Die beste Antwort (am 30. Dez. 2017) ist von:
Levente
50+ live cases, BCG 1st round on 18th of June
Levente gab die beste Antwort am 30. Dez. 2017
50+ live cases, BCG 1st round on 18th of June
Hi, whenever you are required to solve a compound interest problem you can go with two different logic: 1. When you want to know how much will value X will be in Y years given Z% growth each year: 1.1. Logic: You ... (ganze Antwort lesen)
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am 28. Jan. 2018 am 28. Jan. 2018
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