Hang Huang,Yanwen Liu

China’s Curriculum Standards for Compulsory Education (2022 Edition) call for authentic contexts and exploratory activities in the “Synthesis and Practice” domain of primary mathematics. Project‑based learning (PBL) provides an effective pathway to meet these requirements. Based on this, a project-based learning teaching design case was constructed centering on the lesson "Mathematics Games" in the first-grade (upper semester) textbook. With the theme of "Hello, My Campus", the case unfolds around four tasks: campus observation, collaborative games, creative product making, and presentation & reflection—integrating mathematics with language, physical education, and the arts. By emphasising inquiry, cooperation, and cross‑disciplinary learning in real‑world settings, the approach supports pupils’ smooth transition into primary school life and offers a replicable model for “Comprehensive Practice and Activity Curriculum” teaching in the lower grades.

Primary school Mathematics; Project-based learning; Synthesis and Practice

[1] Ministry of Education of the People ’s Republic of China.Mathematics Curriculum Standards for Compulsory Education(2022 Edition)[S].Beijing:Beijing Normal University Press,2022:16,42. [2] Zhao Qiaoyan.Research on Teaching Design for“Synthesis and Practice”in Upper Primary Mathematics Based on Project‑Based Learning[D].Chengdu University,2025. [3] Wang Yanling.Design and Implementation of Thematic Activities for the “ Synthesis and Practice ” Domain in Primary Mathematics under the New Curriculum Standards[J].Primary and Secondary School Class Teachers,2022(16):16–21.

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