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《义务教育数学课程标准》明确指出:“要使学生理解和掌握基本的数学知识和技能,体会和运用数学思想方法,获得基本的数学活动经验。”数学课堂必须让学生经历知识的形成和发展过程,从中发现问题、提出问题;积累数学活动经验,感悟数学思想,提高学生分析问题、解决问题的能力。经验是个体的、实践的、多样的、无形的,也是不可复制的,只有在具体的教学活动中通过自己的观察、操作、实验、猜测、验证,才能获得。在教学知识点时,积累操作、转化的经验;在建构知识网时,积累探究、归纳的经验;在应用实践时,积累策略、优化的经验,从而感悟数学思想。
“Compulsory Education Mathematics Curriculum Standard” clearly states: “To enable students to understand and master the basic mathematical knowledge and skills, experience and use of mathematical thinking methods, access to basic mathematical activities experience.” "Mathematics classroom must allow students to experience the formation of knowledge And development process, from which to find problems and raise questions; accumulated experience in math activities, sentiment, mathematical thinking, improve students’ ability to analyze and solve problems. Experience is individual, practical, diverse, intangible, and non-replicable. It can only be obtained through observation, manipulation, experiment, speculation and verification in specific teaching activities. In the teaching of knowledge points, the accumulation of operation, conversion experience; in the construction of knowledge network, the accumulation of exploration, induction of experience; in the application of practice, the accumulation of strategies, optimization experience, which sentiment mathematics.