《全日制义务教育数学课程标准(实验稿)》指出:数学教学活动必须建立在学生的认知发展水平和已有的知识、经验基础之上。教师应激发学生的学习积极性,向学生提供充分从事数学活动的机会,帮助他们在自主探索和合作交流的过程中真正理解和掌握基本的数学知识与技能、数学思想和方法,获得广泛的数学活动经验。那么,在当前的 Full-time compulsory education mathematics curriculum standard (experimental draft) pointed out: mathematics teaching activities must be based on the level of cognitive development of students and the existing knowledge and experience base. Teachers should stimulate students’ enthusiasm for learning and provide students with opportunities to fully engage in math activities so as to help them understand and master basic math knowledge and skills, mathematical ideas and methods, and acquire extensive math activities during their own exploration and cooperation. experience. Well, at the moment