120 secondes

120 secondes is an engaging mental math Chrome extension designed for children aged 7 and above. Published by the Academy of Dijon, it focuses on practicing and automating arithmetic calculations across four fundamental operations: addition, subtraction, multiplication, and division. Players aim to solve as many calculations as possible within a set time frame, with default duration set to 120 seconds.

The app offers four difficulty levels, progressively introducing more complex operations, and three different game durations (60, 120, and 180 seconds). Scores can be saved with a nickname and avatar, fostering a fun, competitive learning environment with a visible "Top Scores" leaderboard. Perfect for classroom training or personal practice, 120 secondes helps improve calculation speed and accuracy in a playful manner.