一、学情分析要点1.教师观测点:数学概念教学怎么学?小学阶段的很多数学概念没有直接给出定义。这样的数学概念课,在备课时,数学教师如何处理?处理到什么程度?要不要给出定义?速度是行程问题中一个很重要的概念,这个概念的正确建立是学生学习行程问题的前提和基础。可是课本中没有给出完整的概念。像这样的课怎样教最高效? First, the academic analysis points 1. Teacher observation point: how to learn the concept of mathematics teaching? Many mathematical concepts in primary school did not directly give a definition. Such math concept class, how to deal with math teachers? How to deal with it? Whether to define it? Speed ​​is a very important concept in itinerary problem. The correct establishment of this concept is a prerequisite for students to learn the itinerary basis. However, the text does not give a complete concept. How to teach the most efficient?