親愛なる数学さん、あなたは間違っていた | Allegra Savegnago | TEDxEscola Concept Ribeirão Preto

アレグラ・サベニャゴは、数学では割り算は数を減らすことだと教えられる一方で、実生活では知識や経験を分かち合うことでそれらが増えることがあると考察します。別の学校で話し方とコミュニケーションを教えるプロジェクトを始めた経験と、自分の考えを共有することで自身の学びが広がったことを語ります。また、科学者ジョン・ネストイコが研究した「プロテジェ効果」を紹介し、人に教える目的で学ぶと理解が深まることを示します。割り算を、寛大さと愛を増やすものとして捉え直すことを呼びかけています。

• 数の割り算と知識や愛情を分け合うこと
• 話し方を教えるプロジェクト
• プロテジェ効果と教えることによる学び

In this TEDx presentation, Allegra Savegnago reflects on how mathematics teaches that dividing means decreasing, while life shows that dividing can actually mean multiplying. The speaker shares her experience of creating a project to teach public speaking and communication classes at another school, overcoming initial hesitation and realizing that sharing her ideas, experiences, and knowledge expanded her own learning. She also introduces the "Protégé Effect," studied by scientist John Nestojko, to demonstrate that learning with the intention of teaching others enables a deeper, more organized, and critical understanding of the material. Allegra invites the audience to redefine the concept of division, reminding us that while dividing numbers reduces values, sharing potential, dreams, knowledge, and affection serves to multiply generosity and love. Grade 7 Student at Escola Concept Ribeirão Preto This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx