论文部分内容阅读
课堂诊断,自我反思是教师研究课堂的一种方式,是教师教学实践的镜子,是教师专业成长的重要途径。【教学案情】这是本人教学中的一节新课,讲授的内容是苏教版必修1中《函数的奇偶性》。函数的奇偶性是函数的一个重要性质,它的图象体现了一种对称美。其中的一个教学片段如下:……师:对称我们很熟悉,像天安门城楼,法国埃菲尔铁塔,英国大本钟。师:函数是否也具有对称性呢?我们能否从函数的解
Classroom diagnosis, self-reflection is a way for teachers to study the classroom. It is a mirror of teachers’ teaching practice and an important way for teachers to grow professionally. 【Teaching case】 This is a new lesson in my teaching. The contents of the lecture are the “parity of functions” in the compulsory 1 edition of the Sujiao Edition. The parity of a function is an important property of the function, and its image reflects a symmetrical beauty. One of the tutorials is as follows: ... Division: Symmetry We are familiar with, like the Tiananmen Square watchtower, the French Eiffel Tower, the British Big Ben. Teacher: Is the function also symmetric? Can we solve the function?