“核心问题”是相对于过去课堂上问题繁多、重点不突出、教学效率低下的问题提出的新模式,该模式的概念,集中在“核心问题”上。“核心”是指在某课堂时间内最有“牵一发而动全身”效果的重点问题。具体而言,就是根据教学的重点、难点高度提炼出富有思维含量和思维张力、能贯穿整节课的问题。小学中高年级数学开展“核心问 The ”core problem“ is a new model proposed in relation to the past problems in the classroom which have many problems, the key point is not outstanding, and the teaching efficiency is low. The concept of this model focuses on the ”core problem“. ”Core “ refers to the most important issue in a classroom time ”pull one through the whole body “ effect. Specifically, it is based on the teaching of the key and difficult to extract a high degree of thinking content and thinking tension, can be run through the entire class of questions. Primary and secondary mathematics to carry out ”core question