课堂教学的开放与收敛一直是大家讨论的话题,如何让课堂既呈现出生动活泼、主动探究的学习状态,又能让学生有效掌握相应的知识与技能,使课堂在开放与收敛中寻求动态平衡呢?笔者以《除数是小数的除法》教学为例,对这一话题进行更深入的探讨。一、何谓“开放”按照百度百科的解释,“开放”多表示张开、释放、解除限制等含义。课堂教学中的开放,笔者认为是指在教学中为完成预定的教学目标,让学生在教师设定的教学情境中,根据自己独 The opening and convergence of classroom teaching has always been the subject of discussion. How to make the classroom not only show a lively and active learning state, but also enable students to effectively master the corresponding knowledge and skills so as to make the classroom seek a dynamic balance between openness and convergence ? The author of “divisor is the decimal division” teaching as an example, a more in-depth discussion of this topic. First, what is meant by “open” According to Baidu Encyclopedia of interpretation, “open” more than that open, release, lift restrictions and other meanings. The opening of classroom teaching, I believe that refers to the teaching in order to complete the scheduled teaching, so that students in the teaching of teachers set the situation, according to their own