一、教材分析本课主要是让学生了解逻辑推理,体会逻辑推理在生活中的应用价值,并学习掌握简单的逻辑推理方法。推理是思考问题的重要手段,在生活中有着广泛的应用,也是数学学习所必需的知识。推理有逻辑推理和合情推理之分,是人们从信息中获取某些结论的重要思维方法。逻辑推理的特点就是其推理过程具有逻辑性,即有理有据, First, textbook analysis This lesson is to enable students to understand logical reasoning, experience the value of logical reasoning in life, and learn to master simple logical reasoning methods. Reasoning is an important means of thinking, has a wide range of applications in life, but also the necessary knowledge of mathematical learning. Reasoning Logical reasoning and co-reasoning of points, is that people get some conclusions from the information important thinking. Logical reasoning is characterized by its logical reasoning process, that is, well-founded,