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课程标准指出:课程内容的选择要贴近学生的实际,有利于学生体验、思考和探索。教师教学活动应该以学生的认知发展水平和已有的经验为基础,面向全体学生,注重启发式和因材施教。可见,学生的原有认知和已有经验是学习体验的基础,只有给学生提供丰富的体验,才能提升学生的数学素养。一、限制条件,思如泉涌史宁中教授指出,“基本活动经验是指学生亲自或间接经历了活动过程而获得的经验”。在教学三上“长
Curriculum standards point out: The choice of course content should be close to the students ’actual conditions, which is beneficial to students’ experience, thinking and exploring. Teachers teaching activities should be based on the level of cognitive development of students and existing experience, for all students, focusing on heuristic and individualized. Visible, the original cognition and existing experience of students is the basis of learning experience, only to provide students with rich experience in order to enhance students’ mathematical literacy. First, the constraints, such as Quan Shiquan Professor Shi Ning pointed out that ”experience of basic activities refers to the students personally or indirectly experienced the activities of the experience gained “. In the teaching of three ”long