World champion in mental calculation 🏆

Meet Rebecca. She earned gold in the International Olympiad in Mental Arithmetic when she was 14 years old. 🏆 🏆 🏆 In the video, you can see her counting a string of 50 numbers from her head at incredible speeds. Learn more about our program: https://www.kidgenius.sk/ https://www.facebook.com/mentalnaritmetikakidgenius