Get Your Mental Math Skills up to Speed
How the mental math tool works
Choose a math operation and a difficulty level.
Complete the tests, earn points, and track your progress.
Check how you compare to the community average and secure a spot on the leaderboard.
Subtraction
Easy
Top 3
246 points - William
232 points - Navruz
222 points - Marvin
Medium
Top 3
89 points - Hopscotch
62 points - William
58 points - Мишган
Hard
Top 3
64 points - Tom
46 points - Jelle
35 points - Hopscotch
Estimation
Top 3
30 points - Daisy
27 points - nicolas
25 points - Amy
Multiplication
Easy
Top 3
3251 points - Stuffy
2026 points - Irham
1942 points - Rishi
Medium
Top 3
359 points - cookie
320 points - Anastasia
154 points - Max
Hard
Top 3
57 points - Phuc
29 points - Martin
25 points - Federico
Estimation
Top 3
118 points - Nargiz
79 points -
33 points - Rishi
Division
Easy
Top 3
3237 points - Hemanth
2067 points - Phuong Anh
1996 points - Lucy
Medium
Top 3
670 points - Yulia
502 points - RaylogVT
193 points - Alexander
Hard
Top 3
30 points - Martin
20 points - Gourav
14 points - Amazing
Estimation
Top 3
54 points - Rishi
28 points - Victor
27 points - Francois
Percent
Easy
Top 3
1200 points - Chrysanthos
1111 points - Arthur
674 points - Gideon
Medium
Top 3
352 points - RaylogVT
305 points - Daisy
272 points - Shambhavi
Hard
Top 3
841 points - David
400 points - Camille
350 points - Shambhavi
Estimation
Top 3
24 points - Avery
23 points - Chrysanthos
22 points - Rishi
Random
Easy
Top 3
675 points - Jecky
479 points - Felix
467 points - Armin
Medium
Top 3
715 points - Yulia
218 points - Samrudhi
192 points - Roman
Hard
Top 3
37 points - cookie
36 points - Yulia
33 points - Martin
Estimation
Top 3
51 points - Samrudhi
40 points - Jin
26 points - Hopscotch
Random operation and difficulty
Top 3
54 points - Martin
47 points - Yulia
33 points - Luca
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.