Mental Math Practice – Train Your Math Skills for Your Case Interview in Consulting
Use our interactive and user-friendly mental math tool to train your case interview math with respect to all basic operations (e.g. addition, multiplication, percentage). By comparing your performance to the overall PrepLounge community, you can improve your case math skills and make sure that you will be prepared for any calculations in your consulting interview.
Addition
Easy
Best Result:
784 points - Petra
420 points - Lea
202 points - Ian
Medium
Best Result:
37 points - 谢佳恩
34 points - Ian
31 points - Arthur
Hard
Best Result:
50 points - Jelle
22 points - Ling
20 points - no
Estimation
Best Result:
41 points - Dani
26 points - Ingrid
26 points - Pieter
Subtraction
Easy
Best Result:
591 points - Petra
545 points - Daniel
184 points - Sercan
Medium
Best Result:
43 points - Leo
42 points - Ian
41 points - Randy
Hard
Best Result:
48 points - Jelle
31 points - Ling
30 points - Leo
Estimation
Best Result:
33 points - Damian
26 points - Pieter
24 points - Sophia
Multiplication
Easy
Best Result:
539 points - Peter
378 points - Uphen
322 points - MBB
Medium
Best Result:
69 points - paul
52 points - Atos
45 points - Rio
Hard
Best Result:
50 points - Phuc
22 points - Jelle
19 points - Harald
Estimation
Best Result:
42 points - Trin
41 points - Rio
30 points - Ingrid
Division
Easy
Best Result:
1286 points - Petra
787 points - Joy
558 points - Malika
Medium
Best Result:
57 points - Rio
48 points - paul
43 points - Randy
Hard
Best Result:
20 points - Phuc
9 points - Robert
7 points - Miguel
Estimation
Best Result:
37 points - Stanislaw
27 points - Johanna
27 points - Damian
Percent
Easy
Best Result:
1000 points - Orfeusz
441 points - Joy
156 points - Lukas
Medium
Best Result:
104 points - Orfeusz
100 points - Philipp
81 points - Ken
Hard
Best Result:
161 points - Orfeusz
116 points - Zi Xin
113 points - Leo
Estimation
Best Result:
27 points - Orfeusz
22 points - Stanislaw
19 points - Ingrid
Random
Easy
Best Result:
420 points - Petra
321 points - Jonas
281 points - Diego
Medium
Best Result:
555 points - nixon
80 points - Ian
78 points - Fuat
Hard
Best Result:
22 points - Georg
16 points - Ivan
14 points - Presiyana
Estimation
Best Result:
32 points - Pierre Lemaire
20 points - Damian
18 points - Brett
Random - Method and Difficulty
Best Result:
15 points - Lachlan
14 points - Peter
13 points - Damian
Practice Your Consulting Mental Math for Free
Fast and accurate mental math is a necessary requirement to pass your job interview at consulting companies like McKinsey, BCG or Bain. Therefore, you should invest regular time in training your case math skills. Find out more about why good math skills are so important for your case interview in our Case Interview Basics article about mental math.
This Is How the Mental Math Tool Works
Choose one of the 24 tests above to check and improve your case math skills for free. You can take a test as many times as you want and see how you improved over time. Check out how you perform compared to other candidates. The top 3 ranking is recalculated monthly which means that you have the opportunity to climb the winners' podium every month. All other values (your average, all users average and your best results) are all-time values.
