The Paper Special Commentator Hu Xinhong
No PPT, no books and handouts, fingertips The tightly held three-inch chalk is Professor Huang Fanglin's most effective teaching aid. Recently, the news that Huang Fanglin, a professor in the Department of Mechanics of the School of Civil Engineering of Central South University, has been writing on the blackboard by hand for 26 years has been on the hot search, attracting many netizens to like it.
Under the tide of vigorously promoting the informatization of education, PPT It is a commonly used tool in education and teaching. PPT books are an auxiliary to classroom teaching. Teachers rely on chalk and mouth to explain unclear things. They can use courseware to present relevant materials, turn abstraction into intuition, make teaching more interesting, and effectively mobilize students' enthusiasm for learning. Regrettably, many teachers suffer from "PPT dependence" and seem to be unable to teach without the courseware. Once teaching is kidnapped by PPT, the interaction between teachers and students and the charm of the classroom will naturally be impossible to talk about.
Especially in university classrooms that originally lack teacher-student interaction , there are many teachers who "recite the text" to PPT, and the courseware has not changed for N years. They don't even need to prepare lessons. Many students begin to miss the era of writing on the blackboard. Blackboard writing with neat, elegant handwriting and clear context can not only highlight the key points of knowledge and the logical structure of knowledge, but excellent blackboard writing can also bring the lecturer's enthusiasm for academics, the researcher's writing personality, and unique arguments with rich context. Enter the classroom and increase the teacher's personality charm.
Last year, member of the National Committee of the Chinese People’s Political Consultative Conference and Literary Research Fellow of the Chinese Academy of Social Sciences Liu Ning, a researcher at the institute, submitted a proposal on PPT. She believes that the excessive use of PPT in classroom teaching has had many negative impacts on basic education and university humanities quality education. Professor Huang Fanglin, who has been writing on the blackboard by hand for 26 years, is undoubtedly a breath of fresh air in the PPT era.
"Teacher Huang never brings teaching materials to class and does not use PPT. , all classes are taught using blackboard writing. For example, in elastic mechanics, he can remember all the formulas in the textbook and can derive them step by step every time he attends class." Mechanics is a major subject that gives many students a headache due to its abstract theory and complicated formulas. The reason why Professor Huang Fanglin has the confidence to persist in writing on the blackboard for 26 years is because he has his own insights into every course and textbook. "All the formulas and examples are in my mind." Under such circumstances, students who use PPT in class will unconsciously rely on PPT, and through step-by-step derivation, students can better understand the mystery.
The problem of PPT abuse is also common in the basic education stage . In order to guide teachers to use PPT rationally, some schools have also introduced "PPT restriction orders". Without the "tangle" of PPT, teachers can get closer to the students, the bilateral teaching activities between teachers and students cooperate more tacitly, and pay more attention to the development of students. Teachers lamented that “they have more time to look into children’s eyes, listen to children’s speech, and feel their true thoughts.”
Of course, for Professor Huang Fanglin who has not used PPT in 26 years Like, it does not require all teachers not to use PPT. In the final analysis, PPT is just a tool, it depends on how people use it. Whether or not to use PPT and how to use PPT will vary from person to person and from course to course. The key is to accurately position it as an auxiliary teaching and not to dominate the teaching. "One size fits all" will fall into another extreme.
"A three-foot podium, cultivated all year round; a piece of chalk , half a lifetime." Not using PPT for 26 years is the epitome of Professor Huang Fanglin’s meticulous scholarship and devotion to teaching. His handwriting on the blackboard is a return to the way of education. The "backward" teaching methods exactly reflect the most "advanced" educational concepts. How can we not be amazed? Of course, in the final analysis, the evaluation of teaching should not stop at the appearance of PPT. The key is to look at the actual results.
This issue’s editor Zhou Xiaojing
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