System development of mathematical abilities in children 4-14 years. Mental arithmetic.
1.This Japanese program running for more than 20 years in 56 countries;
2. Included in public school curriculum in Japan and China;
3. Children are actively developing:
• speed of thinking,
• concentration,
• photographic memory
• imagination
• analytical and creative thinking.
Sign up for your FREE trial lesson!
https://vk.com/soroban40