Get Your Mental Math Skills up to Speed

Addition

Easy
Best result:
1402 points - Sinu
1024 points - giridhar
199 points - Navruz
Medium
Best result:
47 points - Max
35 points - Sinu
34 points - CM
Hard
Best result:
34 points - Jelle
16 points - Sinu
15 points - Yulia
Estimation
Best result:
30 points - Marin
29 points - Sinu
28 points - Chiara

Subtraction

Easy
Best result:
504 points - giridhar
221 points - Sinu
155 points - Navruz
Medium
Best result:
58 points - Sinu
55 points - giridhar
48 points - Max
Hard
Best result:
37 points - Jelle
25 points - Sinu
18 points - Cielo
Estimation
Best result:
22 points - Sinu
21 points - David
21 points - Mazen

Multiplication

Easy
Best result:
1250 points - giridhar
558 points - José Javier
504 points - Sinu
Medium
Best result:
158 points - giridhar
157 points - Max
108 points - Bogdan
Hard
Best result:
41 points - Phuc
24 points - Michi
22 points - Jelle
Estimation
Best result:
19 points - Mazen
19 points - Howard
14 points - Moritz

Division

Easy
Best result:
750 points - giridhar
592 points - Matthias
538 points - Sinu
Medium
Best result:
276 points - giridhar
118 points - Max
55 points - Cielo
Hard
Best result:
14 points - Jelle
10 points - Lorenzo
9 points - Björn
Estimation
Best result:
16 points - Michael
11 points - Moritz
10 points - Katharina

Percent

Easy
Best result:
346 points - María
182 points - Tim
164 points - SImon
Medium
Best result:
115 points - Sinu
87 points - Finn
78 points - Cielo
Hard
Best result:
169 points - Duc
111 points - Tim
102 points - Sinu
Estimation
Best result:
15 points - Mazen
15 points - Michael
14 points - Marin

Random

Easy
Best result:
636 points - Armin
554 points - John
220 points - Aravinth
Medium
Best result:
178 points - Yulia
132 points - Max
109 points - Samrudhi
Hard
Best result:
32 points - Phuc
19 points - Afif
13 points - Duc
Estimation
Best result:
18 points - John
16 points - ruth
14 points - Benedikt
Random - Method and Difficulty
Best Result:
23 points - Sinu
14 points - Afif
11 points - Luca
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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.