Get Your Mental Math Skills up to Speed

Addition

Easy
Best result:
259 points - William
234 points - Clémence
151 points - Jordan
Medium
Best result:
64 points - William
45 points - Anastasia
44 points - Max
Hard
Best result:
28 points - William
22 points - Alexander
12 points - Friedrich
Estimation
Best result:
26 points - Friedrich
18 points - Darko
12 points - Philipp

Subtraction

Easy
Best result:
197 points - Clémence
89 points - Julius
84 points - Paul
Medium
Best result:
44 points - Мишган
40 points - Max
21 points - Georg
Hard
Best result:
15 points - Kelly
14 points - Lennard
12 points - Friedrich
Estimation
Best result:
11 points - David
10 points - Friedrich
9 points - Max

Multiplication

Easy
Best result:
515 points - Hanna
300 points - Clémence
249 points - Aryan
Medium
Best result:
264 points - Anastasia
119 points - Max
37 points - Aleksei
Hard
Best result:
61 points - Phuc
22 points - Jelle
17 points - Harald
Estimation
Best result:
79 points - Nargiz
19 points - Catalina
15 points - Max

Division

Easy
Best result:
561 points - Hanna
450 points - Clémence
429 points - Julius
Medium
Best result:
193 points - Alexander
112 points - Max
55 points - Anthony
Hard
Best result:
4 points - Alexander
3 points - Lukas
2 points - Yara
Estimation
Best result:
11 points - Max
10 points - Aamir
10 points - David

Percent

Easy
Best result:
500 points - Clémence
221 points - Jonathan
70 points - griffin
Medium
Best result:
450 points - Clémence
175 points - María
68 points - Jonathan
Hard
Best result:
400 points - Clémence
101 points - Aleksei
50 points - S
Estimation
Best result:
12 points - Jonas
11 points - Friedrich
11 points - griffin

Random

Easy
Best result:
300 points - Clémence
200 points - Lukas
161 points - Anthony
Medium
Best result:
433 points - David
424 points - Yulia
189 points - Roman
Hard
Best result:
35 points - David
20 points - Finn
10 points - Michael
Estimation
Best result:
44 points - Samrudhi
13 points - Brett
11 points - Anthony
Random - Method and Difficulty
Best Result:
12 points - Gautier
9 points - Max
8 points - lakshi
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Practice Your Mental Math Skills for Free

Fast and accurate mental math is a necessary skill for many job interviews and also for your job. Therefore, it’s important to dedicate regular time to training your math skills. Discover more about why strong math abilities are essential in our article on the fundamentals of fast math.

How the Mental Math Tool Works

Choose one of the 24 tests above to assess and improve your math skills for free. You can take a test as many times as you like and track your improvement over time. See how you perform compared to other candidates. The top 3 rankings are recalculated monthly, giving you the chance to climb the leaderboard each month. All other metrics, including your average, the overall user average, and your best results, are cumulative.

Mental Math Practice – Train Your Math Skills for Your Interview

Use our interactive and user-friendly mental math tool to train your interview math skills in all basic operations (e.g., addition, multiplication, percentages). By comparing your performance to the overall PrepLounge community, you can enhance your math skills and ensure you are well-prepared for any calculations during your interview.