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没有问题情境的教学,是苍白无力的,是不能激活学生思维的。为增强高中数学课堂教学效益,教师要善于创设情境,焕发学生探索热情,促进学生对知识的理解和掌握,进而培养探索精神和创新能力。一、运用现代媒体创设有效教学情境,促进知识建构建构主义理论认为:知识教学的重点并不在于知识本身,而在于建构知识的过程,在于学生本人的思维构造。比如,一位教师执教“异面直线所成角的概念”这一内容时,先运用课件将两异面直线的关系动态地展示给学生,并提醒
Teaching without a problem situation is pale and weak and can not activate student thinking. To enhance high school mathematics classroom teaching effectiveness, teachers should be good at creating situations, rejuvenating students to explore enthusiasm, promoting students’ understanding and mastery of knowledge, and further cultivating the spirit of exploration and innovation. First, the use of modern media to create an effective teaching situation and promote knowledge Constructivism theory: the focus of knowledge teaching is not knowledge itself, but rather that the process of building knowledge lies in the students own thinking structure. For example, when a teacher coaches the concept of “angle formed by different lines”, the courseware is firstly used to dynamically display the relationship between two different surfaces and to remind students