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教学有法,教无定法,贵在得法.就如何提高数学教学的有效性,杜威曾说:“教学绝对不仅仅是简单地告诉,教学应该是一种过程的经历,一种体验,一种感悟.”数学教学中,教师应立足教材,构建有效情境,向学生展示数学本质,使学生理解概念的逐步形成,真正使学生的学习过程成为在教师引导下的再创造过程.笔者认为,教师应该格外关注课堂教学中的“教学起点”问题,找准教学起点,恰当设疑提问,方能使课堂教学更有效.本文结合《随机事件的概率》寥抒浅见,希望抛砖引玉.
How to improve the effectiveness of mathematics teaching, Dewey once said: “teaching is absolutely not just simply tell, teaching should be a process experience, an experience, a Kind of sentiment. ”Mathematics teaching, teachers should be based on textbooks to build effective situations, to show students the nature of mathematics, so that students gradually understand the concept of the formation of the real learning process to become teachers under the guidance of the re-creation process. , Teachers should pay special attention to the problem of “teaching starting point ” in class teaching, find out the starting point of teaching, raise the question of appropriate questioning in order to make the class teaching more effective.This paper combines the “probability of random events” to express my opinion and hope to start a discussion.