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“数学要面向全体学生,提高学生的数学素养”是贯穿数学课程改革的核心理念和灵魂主线.新课程强调数学教学应重视参与、合作、互动的课堂情景的营造.联系学生的日常生活,将推理,讲道理,在应用中建构知识,培养能力,形成正确的情感态度和价值观,从而不断提高每个学生的数学素养,为每个学生提供终身学习的基础.传统教学中,我们重视教师的主导作用,重视数学课教学的知识性而忽视了学生主体性和个体差异,总是老师主动讲,学生被动地听,“听懂了没有?”或“再听老师讲一遍”几乎成了唯一的信息反馈形式.往往是老师讲得辛苦,学生听得糊涂,容易造成学生的听课疲劳症.课堂气氛显
“Mathematics should be oriented to all students to improve the students ’mathematical qualifications” is the core idea and soul which runs through mathematics curriculum reform.The new curriculum emphasizes that mathematics teaching should attach importance to the participation, cooperation and interaction of the classroom scenarios to build contact with students’ daily life , Reasoning, reasoning, construction of knowledge in the application, ability development, the formation of the correct emotional attitudes and values, so as to continuously improve each student’s mathematical literacy, for each student to provide lifelong learning foundation .In the traditional teaching, we value The leading role of teachers, emphasis on teaching knowledge of mathematics and neglect of student subjectivity and individual differences, the teacher always take the initiative to say, the students passively listen to “or do not understand? ” Or “Listen to the teacher again ”Is almost the only form of information feedback.It is often the teacher stresses hard, students confused, easily lead to students’ lectures fatigue.