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数学新课标指出:“义务教育阶段的课程设计,充分考虑本阶段学生数学学习的特点,符合学生的认知规律和心理特征,有利于激发学生的学习兴趣,引发学生的数学思考;充分考虑数学本身的特点,体现数学的实质;在呈现作为知识与技能的数学结果的同时,重视学生已有的经验,使学生体验从实际背景中抽象出数学问题、构建数学模型、寻求结果、解决问题的过程。”苏教版教材安排学生学习了平行四边形、三角形的面积公式以后,
The new curriculum standard of mathematics states: “The course design in the stage of compulsory education fully considers the characteristics of students ’mathematics learning in this stage, meets the students’ cognitive rules and psychological characteristics, stimulates students ’interest in learning and triggers students’ mathematical thinking. Full Considering the characteristics of mathematics itself, it embodies the essence of mathematics. While presenting mathematics results as knowledge and skills, it attaches importance to students’ existing experiences, makes students experience abstraction of mathematical problems from actual background, constructs mathematical models and seeks results The process of the problem. ”" Su teach version of textbooks arranged for students to learn the parallelogram, triangle area formula,