Hello there,
I have an interview with McKinsey in one moth and I really want to improve my mental math and was wondering if anyone can suggest any resources or Apps that I can use to improve mu mental math.
Thank you in advance
Werde aktiv in unserer Community aus über 452.000 Gleichgesinnten!
Verabrede dich zum Casen über das Meeting-Board, nimm an Diskussionen in unserem Consulting Q&A teil und finde gleichgesinnte Case-Partner, um dich auszutauschen und gemeinsam zu üben!
Improve my math
Übersicht der Antworten
Upvotes
Beste Antwort
- 100% Recommend Rocket Blocks. It's exactly what you're looking for
- Online "Drills": https://www.preplounge.com/en/mental-math
- Math sheets (print these and do them on paper): Google Math Drills sheets
- In addition to that, you can ask other PrepLoungers to case you on 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
----------------------------------------------------------------------------------
Some great answers from a variety of angles have already been asked. Check these out!
Mental Math
https://www.preplounge.com/en/consulting-forum/mental-math-help-7962
Conceptual/Contextual Math
https://www.preplounge.com/en/consulting-forum/materials-for-practicing-conceptual-case-math-8016
Key Math Equations
https://www.preplounge.com/en/consulting-forum/math-equations-their-use-7934
War diese Antwort hilfreich?
Along with the resources mentioned by Ian, I would like to say that key to mastering mental math is practice.
And not just any practice - you must practice “all the time”.
- At the grocery store? Practice mental addition and multiplication while you put items in your basket - to estimate the final amount.
- Watching TV? Switch to business channels and try to calculate % change in share prices based on $ value (or vice versa)
- Doing a math drill? Create a variation and solve it as well
ANOTHER aspect that is crucial in building mental math capabilities is “VISUALIZATION”. The best mental math masters literally create numbers virtually in front of their eyes. They perform the exact “on-paper” math, but in mid-air. Try to get that flow going.
FINALLY, the last aspect (related to practice) is to develop muscle memory. Certain multiplications, fractions, percentages should start coming as a reflex. This will help you in saving time and calculation steps.
War diese Antwort hilfreich?
Verwandte Cases
Expertencase von Francesco
Our client is SmartBridge, a nonprofit educational institution offering face-to-face tutoring services. The client operates in the US.The mission of SmartBridge is to help as many students as possible to complete studies and prevent that they drop from the school system, in particular in disadv
...
Our client is SmartBridge, a nonprofit educational institution offering face-to-face tutoring services. The client operates in the US.The mission of SmartBridge is to help as many stude
...
(Ganzen Case öffnen)
31,7 T.
mal gelöst
Schwierig
Schwierigkeitsgrad
Expertencase von Francesco
Our client is a BlissOttica, an Eyewear Manufacturer that is looking to reach a 10% increase in profits. How would you help our client?
Our client is a BlissOttica, an Eyewear Manufacturer that is looking to reach a 10% increase in profits. How would you help our client?
(Ganzen Case öffnen)
13,7 T.
mal gelöst
Fortgeschritten
Schwierigkeitsgrad
Content Creator
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
1.099
Meetings
77.820
Q&A Upvotes
237
Awards
151 Bewertungen
