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《课程标准(2011年版)》将感悟基本数学思想作为教学的重要目标之一。抽象作为体现数学学科特征的基本数学思想,应该在小学数学课堂教学中得到重视。康德说:“按时间先后顺序说,先于经验我们没有知识,我们的一切知识都由经验开始。”推及数学教学,只有基于学生的现实经验,才可能更有效地引导学生进行数学抽象,从而真正理解抽象的数学知识,认识数学的本质。一、学生已有生活经验的提升学生在生活中会积累一些数学经验,
“Curriculum Standard (2011 Edition)” will perceive the basic mathematical thinking as one of the important goals of teaching. Abstraction, as the basic mathematical thought embodying the characteristics of mathematics, should be emphasized in the mathematics teaching of primary school. Kant said: “According to chronological order, we have no knowledge prior to experience, and all our knowledge begins with experience.” "To promote mathematics teaching can only guide students to conduct mathematics more effectively based on the students’ practical experience Abstraction, so as to truly understand the abstract mathematical knowledge, understanding of the nature of mathematics. First, students have experience in life improvement Students in life will accumulate some mathematical experience,