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数形结合是一种非常重要的数学思想,也是解决问题的重要方法,具有非常广泛的应用。但要小学生熟练掌握这一思想,就需要教师进行日常渗透,让学生经历数形结合思想的建构,从而获得数形结合思想的内化。一、以形促思,建构直观概念数学概念是数学教学的重要组成部分,但因为抽象的概括性,与小学生的感性思维不相一致,给学生的学习带来了困难。为此,教师要通过数形结合策略的运用,让学生建立直观感受,从而顺利建构
Combination of numbers is a very important mathematical thinking, but also an important way to solve the problem, has a very wide range of applications. However, if the pupils master this idea proficiently, they need the daily infiltration of the teachers so that the students can experience the combination of a few forms with the ideas and get the internalization of the ideas of combining figures with form. First, to shape and promote thinking, the construction of intuitive concepts Mathematical concepts is an important part of mathematics teaching, but because of the abstract summary, and the perceptual thinking of primary school students are not consistent, to the students learning difficulties. To this end, teachers through the combination of number-shape strategy to enable students to create intuitive feelings, so as to successfully construct