目前,“教师教得苦,学生学得苦,而学生却没有得到应有的发展”的问题,在不少学校依然不同程度地存在。在诸多原因中,课堂教学呆板、效率低下是最重要的因素。近年来,笔者在教学实践中对“如何激活数学课堂,提高课堂效率”进行了积极地探索和有益地尝试,获得了一些认识和体会。1注重课堂导入的相关性,促进导入与新授的契合度教学中新课导入,就像演奏中乐章的前奏,有着至关重要的作用。好的“课堂导入”是开启学生思维大门的钥匙,是把学生 At present, the problem that “teachers teach hardships and students learn hard while students fail to get what they deserve” exists in many schools to varying degrees. Among many reasons, classroom teaching is inflexible and inefficient is the most important factor. In recent years, the author has actively explored and beneficially tried and gained some understanding and experience in teaching practice on how to activate mathematics classrooms and improve classroom efficiency. 1 focus on the relevance of the introduction of the classroom, and promote the integration of the introduction of new education into the teaching of new courses, as played a prelude to music, has a crucial role. Good “Class Import ” is the key to open the door to student thinking, is to put the students