开展学情前测,就是从学生身边的、感兴趣的和存疑的问题入手,了解学生的前概念,确定教学的始发点。教师遵循从具体到抽象,从简单到复杂、循序渐进、由易到难的教学规律有针对性地设计教学活动,引导学生开展饶有兴趣、目标明确的学习,从而提高科学教学的有效性。如何实施科学前测和前测分析来以学定教,改善教师在课堂教学中的行为呢?下面是我的几点尝试。一、精心设计前测(一)前测内容的设计要遵循一定 To carry out the pre-test of learning is to start from the students, interested and doubtful questions to understand the students before the concept of determining the starting point for teaching. Teachers follow the teaching rules from specific to abstract, from simple to complex, step by step, from easy to difficult teaching rules, and guide students to carry out interesting and targeted learning so as to improve the effectiveness of science teaching. How to implement the science of pre-test and pre-test analysis to learn to teach, to improve teachers' behavior in classroom teaching? Here are some of my attempts. First, well-designed pre-test (a) pre-test the content of the design to follow a certain