心理学研究表明:小学低年级儿童的思维特点是以具体形象思维为主要思维形式,逐步向抽象思维过渡,同时伴有一定的直观动作思维。数学知识的一个显著特点是严密的抽象性,这就要求我们在数学教学中,要加强对学生的学具操作 Psychological studies have shown that the thinking characteristics of children in the lower grades of primary school are based on the specific image thinking as the main form of thinking, and gradually transition to abstract thinking, accompanied by some intuitive thinking. A notable feature of mathematical knowledge is the tightness of abstraction, which requires us to strengthen the student learning operation in mathematics teaching