But when you do a soroban-style mental calculation, you also use the right brain, because you picture the beads of the abacus in your mind while calculating. Takeshi Hatta, president of Kansai University of Welfare Sciences, explained: “When doing mental calculation with figures written on paper, you mainly use the left brain, which deals with figures. It is useful for children to develop this ability and for adults to maintain it.” Kikunori Shinohara, a professor of brain science at Suwa University of Science, said: “Soroban will activate the brain and train working memory, which holds information temporarily and processes it. However, the margin of decline has been shrinking, and in recent years, abacus schools touting the effect on mental calculation and right-brain development have been growing. Instructor Hidenari Negishi said, “Many of our students want to become good with figures and gain trust in business settings.”Īccording to the Economic Census of the Statistics Bureau of Japan and other sources, there were 13,010 abacus schools nationwide in 1986, but by 2016 the number had halved to 6,446, due to the spread of calculators and the aging of instructors. In Ozora Pass, an online abacus class launched in July 2020, adult students account for 40% of the total. According to Ishido, a Chiba Prefecture-based company that operates a chain of soroban schools, the initial classes were mainly for children, but the number of adult students who wanted to make use of soroban skills for their work increased, so the company began a class exclusively for adults in 2016. This school in Higashi-Nihonbashi opened in 2014. I am the first to notice mistakes in the numbers on resumes,” he laughed. Hidemi Kurohara, 58, who joined the class two years ago and works for a major manufacturer, said: “I can now calculate in my head while listening to what others are saying during discussions on budgets and other matters. “Now to begin: there is ¥671, there is ¥940, there is a subtraction of …” The students listened to the teacher’s voice, closing their eyes and moving their fingertips in the air. At the end of the class, the students did mental arithmetic as their teacher read figures aloud. They moved the beads to do multiplication and division, making tapping sounds. They included office workers who had come after work. “Go!” At the teacher’s shout, students started operating their abacuses at Higashi-Nihonbashi School of Ishido Shuzan Gakuen in central Tokyo, shortly after 7 p.m. In an age when all we have to do to calculate a sum is open our smartphone, is the abacus really necessary? The abacus, which is called soroban in Japanese and used to be one of popular out-of-school learning activities for children, is once again drawing attention, with some adults relearning it because it is useful for their work. My role will therefore be to adapt to the psychology of the student, find the source of the blockage and do everything to remedy it.Ĭoncretely, it is to return to the dark areas or even the bases of the course according to the difficulties of the student, and make him understand the logic through simple explanations, concrete and very pictorial examples all this by making the course as pleasant as possible.Adult students operate abacuses in a class in Chuo Ward, Tokyo.īy Hiroyuki Yoneyama / Yomiuri Shimbun Staff Writer I do not seek to rehash the knowledge seen in class, but to inculcate the logic and the approach that must adopt the student to understand and retain the concepts seen, and those he will see later in class.Ī student is not in difficulty with scientific subjects because "it is not made for that", but only because of a blockage at the source that prevents him from becoming familiar with these subjects. I adopt a different learning method than a classical high school / high school teacher. Hello, I am a student (under license at the University Paris 7) offering private lessons or homework help in science subjects for students from the 6th to the Terminale in Paris.
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