Get Your Mental Math Skills up to Speed

Addition

Easy
Best result:
146 points - Jorge
105 points - Lennart
101 points - Alexander
Medium
Best result:
43 points - Max
25 points - HSUAN
21 points - Mimi
Hard
Best result:
43 points - Jelle
11 points - Joy
11 points - Leo
Estimation
Best result:
30 points - Lennard
27 points - Leo
24 points - Leo

Subtraction

Easy
Best result:
124 points - David
99 points - Raphael
98 points - Joseph
Medium
Best result:
40 points - Max
29 points - Tim
28 points - Raphael
Hard
Best result:
37 points - Jelle
17 points - Björn
16 points - M
Estimation
Best result:
19 points - Lennard
16 points - Björn
14 points - David

Multiplication

Easy
Best result:
407 points - Matthias
360 points - Bishan
256 points - Mithushan
Medium
Best result:
119 points - Max
82 points - Bogdan
50 points - Adi
Hard
Best result:
43 points - Phuc
25 points - Jelle
21 points - Harald
Estimation
Best result:
29 points - Lennard
15 points - Hanna
14 points - Peter

Division

Easy
Best result:
600 points - Matthias
386 points - Bishan
197 points - Athina
Medium
Best result:
115 points - Max
39 points - Raphael
36 points - Adi
Hard
Best result:
4 points - Joonas
3 points - Viktoria
3 points - Lukas
Estimation
Best result:
3 points - Joonas
2 points - Julia
1 point - Gideon

Percent

Easy
Best result:
165 points - Manuel
132 points - Matthias
116 points - Mimi
Medium
Best result:
100 points - Alex
75 points - Mimi
69 points - Adi
Hard
Best result:
158 points - Raphael
128 points - Aleksei
68 points - Kezia
Estimation
Best result:
14 points - Igor
14 points - Lennard
13 points - Hanna

Random

Easy
Best result:
289 points - Armin
234 points - Aravinth
106 points - Valentin
Medium
Best result:
155 points - Yulia
119 points - Max
65 points - F
Hard
Best result:
13 points - Michael
9 points - Kelly
8 points - Tim
Estimation
Best result:
21 points - Lennard
20 points - alex
13 points - Benedikt
Random - Method and Difficulty
Best Result:
7 points - Julius
6 points - Haroon
5 points - Alexander
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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.