“双减”背景下初中数学新教材习题量化分析研究——以北师大版八年级为例

Quantitative Analysis of Exercises in the New Junior High School Mathematics Textbook under the “Double Reduction” Policy—A Case Study of the Beijing Normal University Edition for Grade 8

摘要: 在“双减”政策与《义务教育数学课程标准（2022年版）》实施的背景下，教材习题作为培育数学核心素养的重要载体，其编排质量对初中数学教学实践具有重要意义。本文以北师大版八年级数学新教材习题为研究对象，分别从题型、难度层级、习题功能维度对随堂练习、节习题、章复习题三个栏目进行编码，系统梳理教材习题的编排特点与现存不足，据此提出习题教学优化建议，充分发挥教材习题的育人价值。

Abstract: Against the backdrop of the “Double Reduction” policy and the implementation of the “Compulsory Education Mathematics Curriculum Standards (2022Edition)”, textbook exercises serve as a crucial vehicle for cultivating core mathematical competencies, making their design quality highly significant for junior high school mathematics teaching. This study takes the new Grade 8 mathematics textbook from Beijing Normal University Press as its subject, coding exercises in three categories—classroom practice, section exercises, and chapter review exercises—based on exercise types, difficulty levels, and functional dimensions. It systematically analyzes the characteristics and existing shortcomings in the arrangement of these exercises, and accordingly proposes recommendations for optimizing exercise-based instruction to fully realize the educational value of textbook exercises.