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教师在日常教学中,要引导学生学会解题后反思,学会抓住题目条件的本质特征,使学生通过观察、猜想、探究、合作等学习方式,解一题会一片,从题海战术中解放出来,从而达到减轻学生课业负担的目的,多数学校正在开展的变式训练课题研究可以说是一种非常有效的教学方式.20世纪90年代初,随着“青浦经验”的全国推广,作为其重要内容的“变式训练”也获得了人们的普遍关注.变式教学是以现代教育理论为指导,精选典型的题目,变化题目的非本质特征来突出题目的本质特征的新型教学方式.注重对数学概念、数学命题及数学习题的深入学习,充分展现知识的形成过程,注重知识建构,强化认知结构,摒
Teachers in daily teaching, to guide students to learn to reflect on the problem-solving, learn to grasp the essential characteristics of the conditions of the subject, so that students through observation, conjecture, exploration, cooperation and other learning methods, a solution to a problem will be liberated from the title sea tactics Out, so as to achieve the purpose of alleviating students’ schoolwork burden, the research on variant training projects being carried out in most schools can be said to be a very effective teaching method.With the promotion of “Qingpu Experience” in the early 1990s, As an important part of it, people also receive the universal attention.The variant teaching is guided by the theory of modern education, selecting the typical topics and changing the non-essential features of the topics to highlight the essential features of the topics The new teaching methods focus on in-depth study of mathematical concepts, mathematical propositions and mathematical exercises, fully demonstrate the formation process of knowledge, pay attention to knowledge construction, strengthen cognitive structure,