《义务教育数学课程标准》倡导学生学习自主性的培养,在教学活动中,教师是引导者,学生是真正的学习主体。教师只有根据学生的年龄特点、心理特征与认知水平,创设符合和适应学生学习的情境,注重学法指导,才能调动学生学习的主动性,使学生积极参与,自主去获取知识。 “Compulsory education mathematics curriculum standards” advocate the cultivation of student learning autonomy, in teaching activities, the teacher is the guide, the student is the real subject of learning. Teachers can only mobilize the initiative of student learning and make students participate actively and acquire knowledge independently according to the age, psychological characteristics and cognitive level of students, and create situations in line with and adapting to student learning.