100 Вопросов на Эрудицию
The purpose of this test is to test your erudition. After answering all 100 questions, you will find out your level of erudition. It is suitable for playing alone, as well as with family or a group of friends.
Explore gameYandex Games
"KuralMath - Mental Arithmetic" is a personal mental math trainer that brings ease back to everyday calculations. Addition and subtraction, multiplication and division, times tables, squares, powers, quick calculation tricks — all in one game that adapts to your level.
Open on Yandex GamesThe app tracks your answers and selects tasks for fast progress. Dozens of collections with covers: "The Magic of Number 11", "Squares of Numbers", "Multiplying by 5, 25, 125" and more. Complete collections to earn stars, each expression has its own statistics. Customize your training: four intensity levels, light and dark themes, color choice, on-screen keyboard, voiceover. Motivation: levels, ranks (from Novice to Immortal), XP, day streaks, freezes, and activity calendar. Practice for 5–10 minutes a day — and you will notice the difference!
1. Choose an expression collection or trust the smart "My Wave" selection that identifies your growth areas. 2. Solve examples on screen using a convenient keyboard. Enter answers, press ready buttons in test mode, or listen to examples. 3. Track your progress: accuracy, response speed, and error count are shown after each workout. The activity calendar highlights every training day. 4. Earn stars for completing collections, level up and rank up — from Novice to Immortal. The harder the intensity level, the more XP you earn. 5. Customize the app: enable dark theme, change accent color, adjust key size and sound. Use "freezes" to keep your streak when you have no time to train. Start with 5–10 minutes a day and soon you'll notice how much easier mental math has become!