Get Your Mental Math Skills up to Speed

Addition

Easy
Best result:
98 points - María
68 points - David
66 points - Bishan
Medium
Best result:
31 points - Max
25 points - HSUAN
19 points - Kelly
Hard
Best result:
43 points - Jelle
10 points - Jun Chao
10 points - Manuel
Estimation
Best result:
19 points - Ignacio
16 points - Devavrat
11 points - Manuel

Subtraction

Easy
Best result:
101 points - David
99 points - Raphael
98 points - Joseph
Medium
Best result:
40 points - Max
22 points - Raphael
21 points - HSUAN
Hard
Best result:
14 points - Manuel
13 points - Student
9 points - Benedikt
Estimation
Best result:
10 points - Manuel
8 points - Benedikt
6 points - Julia

Multiplication

Easy
Best result:
407 points - Matthias
360 points - Bishan
256 points - Mithushan
Medium
Best result:
113 points - Max
44 points - Bogdan
43 points - Kezia
Hard
Best result:
29 points - Phuc
25 points - Jelle
21 points - Harald
Estimation
Best result:
12 points - Jim
10 points - Manuel
8 points - Julia

Division

Easy
Best result:
600 points - Matthias
197 points - Athina
156 points - Mithushan
Medium
Best result:
103 points - Max
31 points - Raphael
28 points - Alex
Hard
Best result:
3 points - Lukas
1 point - Id
1 point - Conaire
Estimation
Best result:
2 points - Julia
1 point - Gideon

Percent

Easy
Best result:
165 points - Manuel
132 points - Matthias
68 points - Deez Nutz
Medium
Best result:
61 points - Kezia
59 points - Elena
33 points - Chiara
Hard
Best result:
68 points - Kezia
66 points - Elena
37 points - al
Estimation
Best result:
13 points - Hanna
10 points - Ricco
8 points - Julia

Random

Easy
Best result:
186 points - Aravinth
97 points - Kezia
88 points - Hy
Medium
Best result:
65 points - F
49 points - Max
36 points - Paul
Hard
Best result:
13 points - Michael
9 points - Kelly
6 points - Alexander
Estimation
Best result:
10 points - Ignacio
5 points - Constantin
4 points - Hanna
Random - Method and Difficulty
Best Result:
6 points - Haroon
5 points - Alexander
4 points - Aman
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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.