口算教学是个比较传统但又常常会被老师们忽视的课题。然而,即使在课程改革的今天,口算教学的意义更是日益凸显。其一,实际生活中,各种精确计算、近似计算,由口算完成或参与的概率最高,所以,具备一定的口算能力是现代社会每个公民不可或缺的基本数学素养之一;其二,口算能力是小学生运算能力的重要组成部分,也是小学数学教学的一项基本任务,口算不仅是笔算的基础,而且口算有助于提高学生的思维品质,如敏捷性和 Oral instruction is a more traditional but often overlooked topic by teachers. However, even in the current curriculum reform, the significance of oral education is increasingly prominent. First, in real life, all kinds of accurate calculations and approximate calculations have the highest probability of complete or participation by the mouth. Therefore, having a certain ability of speaking and calculating is one of the indispensable basic mathematical qualities of every citizen in modern society. Second, Migrants ability is an important part of pupils ’computing abilities, and it is also a basic task of elementary mathematics teaching. Mouth counting is not only the basis of pen calculation, but also helps to improve students’ thinking qualities such as agility and