site.btaSixth Grader from Sofia Wins World Championship in Speed Math for Children
![Sixth Grader from Sofia Wins World Championship in Speed Math for Children](/upload/694264/125_2-768x1024.jpg?l=1000)
![Sixth Grader from Sofia Wins World Championship in Speed Math for Children](/upload/694264/125_2-768x1024.jpg?l=1000&original=f975bcd5a5eaeed2ca8ceeadfb7b9260aaca7b11)
The 2022 Junior Mental Calculation World Championship winner was Bulgarian Kaloyan Geshev. He is a sixth grade student at the 125th Boyan Penev school in Sofia, said the Regional Education Department in Sofia-city (RED).
/NZ/
news.modal.header
news.modal.text