Can Big Idea-based Teaching Enhance Students’ Competencies？A Design Experiment Based on the “Optimization” Unit in Elementary Mathematics
Hui Liu, Xiaoying Cai, Yaxuan Xu, Xue Han, Dejiang Zhu, Peng Zhang
Journal of East China Normal University(Educationa . 2025, (10): 44 -63 .  DOI: 10.16382/j.cnki.1000-5560.2025.10.004