心理学研究表明:人的思维认识规律是“具体—形象—抽象”.要让以形象思维为主的小学生准确理解原本抽象的数学知识,就应该采用符合小学生思维方式的方法,先用具体形象的方式呈现给学生,然后再由“具体—形象—抽象”的思维认识规律来使小学生认识掌握抽象的数学知识,并通过多次的这种思维训练培养发展学生的抽象思维能力.而兼具趣味性、直观性、形象性特点的学具,不仅可以调动学生学习的积极性, Psychological studies show that: the law of human thinking is “concrete - image - abstract ” To make the primary thinking of the image-based thinking accurately understand the original abstract mathematical knowledge, it should be used in line with the way of thinking of primary school students, first with The specific image is presented to the students, and then from the “specific - image - abstract ” thinking of thinking to enable pupils to understand and master abstract mathematical knowledge, and through many of these thinking training to develop students’ abstraction thinking ability While the learning tools, which are both interesting, intuitive and vivid, can not only arouse the enthusiasm of students,