新课程实施以来,新的教育理念引导着教学的改革,课堂教学发生了很大的变化。如何教会学生掌握科学的学习方法,增强学生学习的积极性和有效性,提高课堂教学效率,成了我们大家共同面临的问题。现实生活中的课堂教学质量是不容乐观的,主要表现在无效的讲解、无效的活动、无效的训练等等,从而导致“教师教学累,学生学习苦,”课堂的教学效果却不尽人意。因而,教学的有效性是课堂教学必须思考的问题。针对以上几个问题, Since the implementation of the new curriculum, the new educational philosophy has guided the reform of teaching and has undergone great changes in classroom teaching. How to teach students to master the scientific learning methods, to enhance the enthusiasm and effectiveness of student learning and to improve the efficiency of classroom teaching has become a common problem for all of us. The quality of classroom teaching in real life is not optimistic, mainly in the invalid explanation, invalid activities, ineffective training and so on, resulting in “teaching tired teachers, students learning hard, ” classroom teaching effect is not enough Intentions. Therefore, the effectiveness of teaching is classroom teaching must be thinking. In response to the above questions,