ppt情境下数学课堂教学中板书的意义和策略

The Significance and Strategy of Blackboard Writingin Mathematics Classroom Teaching under PPTAbstract China's medium and long-term education planning points out that the impact of informationtechnology on education development must be highly valued.At present,in mathematics classroomteaching,multimedia courseware has been widely used,so why should we emphasize blackboardwriting?What is the significance and strategy of blackboard writing?Based on Bruner's teachingtheory and constructivism learning theory,and with specific cases as carriers,this paper makes ananalysis and Research on this issue,and draws the following conclusions:(1)Using PPT can make the abstract concepts better understood by students.However,one-sided pursuit of PPT and neglect of the necessity of blackboard writing will lead to neglect of themain position of students and affect the teaching effect(2)Under the new situation,blackboard writing is an irreplaceable multimedia courseware.It hasimportant significance and role in the reappearance of new knowledge,the highlight of key anddifficult points,the guidance of students'independent exploration,the perception of knowledgegrinding and the deepening of memory.(3)According to the requirements of blackboard writing,pay attention to the inspiration,artistryand structure of blackboard writing ,teachers should design carefully for different course types andcontents.Key words PPT Blackboard-writing Meaning of blackboard writing Strategy of blackboardwriting