《高中数学课程标准》要求:数学教育必须面向全体学生,极力倡导学生是数学学习的主体,教师在数学教学中起主导作用。因此,教师必须改进教学方法,有效利用课堂教学时间,激发学生的学习兴趣,努力提高学生的学习效率。一、有明确的教学目标现代教育理论认为,教学目标是预期的学生学习结果或是学习活动要达到的标准。教学目标以学生为中心,以学生的身心变化为目标,这些变化是以直接可观察的行为指标为依据的。因此,教学目标就是学生的学习目标。我们可以理 “High school mathematics curriculum standards” Requirements: Mathematics education must be for all students, advocates that students are the main body of mathematics learning, teachers play a leading role in mathematics teaching. Therefore, teachers must improve teaching methods, make effective use of classroom teaching time, stimulate students ’interest in learning and strive to improve students’ learning efficiency. First, there is a clear teaching objectives Modern education theory that the teaching objectives are expected to be the result of student learning or learning activities to achieve the standard. Teaching objectives are student-centered and target changes in the physical and psychological aspects of the student. These changes are based on directly observable behavioral indicators. Therefore, the teaching goal is the student’s learning goal. We can reason