这个夏日，IS小学部G4L班的Sean石子墨同学，代表协和浦东，远赴美国踏上数学思维探索活动——美国“数学大联盟”全球总决赛及夏令营，并在4-5年级组别中，一举斩获个人赛与团体赛双项银奖。
回望三年级时，他便先后荣获Math League初赛银奖、复赛金奖，拥有资格却因年龄不足与当年总决赛擦肩而过，可他从未停止向前。2025年夏天，十岁九个月的他，终于紧握官方寄来的邀请函，如愿站上国际数学盛事的舞台。
本次活动由美国Math League联合普林斯顿大学数学系、哥伦比亚大学数学系与威廉姆斯学院共同举办，汇聚了来自美国、加拿大、中国等多个国家与地区的数学英才。中国代表队中，亦不乏来自北上广深及港澳地区顶尖国际学校和双语学校的优秀学子。
本届赛事以“探索数学之美，激发创新思维”为主题，融汇智力交锋、团队协作与创新灵感。个人赛环节（Individual Round与Speed Round）挑战思维的敏捷与深度；团队协作单元（Team Round与Relay Round）则注重信任、策略与默契的融合。子墨在这一国际舞台上沉着迎战、屡克难关，最终以优异表现跻身总积分榜前列，闪耀荣誉之列。
而在夏令营环节，子墨不仅沉浸于数学讲座与小组讨论，更通过“才艺秀”与来自世界各地的伙伴真诚互动，在竞技之外，缔结跨越文化的友谊。
正如他所说：“这不仅是一场比赛，更是一场成长的远征。在大学独立住宿提升了我的自律，比赛让我思考个人与团队的意义，探访普林斯顿大学与哈佛大学，更让我看见未来的无限可能。这段跨文化的学习之旅，为我打开了更大的世界，也让我更深地爱上数学。”
从二年级袋鼠数学银奖；到三年级SASMO铜奖并赴新加坡参加SIMOC，一举获得个人与团体双项铜奖；再到如今Math League双项银奖——我们看见，子墨始终以从容为履、热情为灯，在数学的山路上稳步前行，一路采撷，一路光明。今年九月，他将升入五年级。愿他继续以梦为帆，在更广阔的知识海洋中，闪耀属于自己的光芒。
This summer, Sean Shi Zimo from Class G4L of the IS Primary Division represented SUIS Pudong and journeyed to the United States to take part in the Math League Global Finals and Summer Camp—an extraordinary event dedicated to the exploration of mathematical thinking. Competing in the grades 4-5 category, he achieved double silver medals in both the individual and team events.
Looking back to his third grade, Zimo had already won a silver medal in the preliminary round and a gold in the second round of Math League. Although he qualified for that year's global finals, he was just below the age requirement. Yet, he never stopped striving ahead. In the summer of 2025, at ten years and nine months old, he finally received the official invitation and realized his dream of standing on the stage of an international mathematical event.
The prestigious competition was co-organised by Math League and the mathematics departments of Princeton University, Columbia University, and Williams College. It brought together talented young mathematicians from across the globe, including participants from the United States, Canada, China, and many other countries and regions. The Chinese delegation comprised outstanding students from top international and bilingual schools in cities such as Beijing, Shanghai, Guangzhou, Shenzhen, Hong Kong, and Macau.
Under the theme ‘Discover the Beauty of Mathematics, Inspire Innovative Thinking’, the contest blended intellectual exchange, teamwork, and creative inspiration. The individual events—comprising the Individual Round and Speed Round—challenged the agility and depth of each student's thinking. In contrast, the team competitions—the Team Round and Relay Round—emphasised trust, strategic planning, and seamless collaboration. On this international stage, Zimo faced each challenge calmly and persevered through difficulties, ultimately securing an outstanding position in the overall rankings and shining brightly among the award winners.
During the summer camp, Zimo immersed himself not only in advanced mathematical lectures and stimulating group discussions but also connected with peers from around the world. Through activities like the Talent Show, he built wonderful cross-cultural friendships that extended far beyond the competition halls.
As he reflected: “This was more than a competition—it was an expedition of growth. Staying independently in a university dorm enhanced my self-discipline, the contests inspired me to reflect on the balance between individual and team effort, and visits to Princeton and Harvard expanded my vision of the future. This cross-cultural learning journey opened a bigger world for me and deepened my love for mathematics.”
From earning a Kangaroo Math silver medal in second grade; to achieving a SASMO bronze medal and traveling to Singapore for SIMOC where he won double bronze in both individual and team events in third grade; to now attaining double silver medals at Math League—we have seen Zimo walking steadily along the path of mathematics with calm as his stride and passion as his light, gathering achievements and illumination along the way. This September, he will enter fifth grade. May he continue to set sail with dreams and shine his unique light across the vast ocean of knowledge.
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