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新课程标准指出:“数学教学是数学活动的教学,是师生之间、学生之间交往互动与共同发展的过程.”数学教学活动是学生自己建构数学知识的活动.因此,课堂教学应根据学生的实际需要,不断调整动态生成的过程.笔者对人教版八年级上册《多边形的内角和》这一内容,深入课堂,结合学情,对教学内容做了一些“问题化”和“活动化”的预设,将静态、抽象的教材,变为促进学生进行自主、合作、探究学习的弹性化教学内容,力求让教学遵循活动、问题、思想有机结合、相互依托的原则,突出知识的形成过程,使教学过
The new curriculum standard states: “Mathematics teaching is the teaching of mathematics activities, and the process of interaction, interaction and mutual development among teachers, students and students.” Mathematics teaching activities are activities in which students construct their own mathematical knowledge, therefore, classroom teaching Should be based on the actual needs of students, continue to adjust the process of dynamically generated. The author of the PEP eighth grade volume “polygonal angle and” this content, in-depth classroom, combined with the situation, the teaching content to do some “problem” “And” Activation ", the static and abstract textbooks will be transformed into the flexible teaching content that promotes the students’ autonomous, cooperative and inquiry learning so as to make the teaching conform to the activities, problems and ideas and rely on each other Principle, highlighting the formation of knowledge process, teaching too