培养学生的口算能力,必须在加强基础知识教学,掌握基本概念,通过直观形象的教与学活动,在学生理解的基础上进行。必须揭示知识规律,根据不同内容,采用不同的教学方法。 In order to cultivate students ’abilities in oral arithmetic, we must strengthen the teaching of basic knowledge, grasp the basic concepts, and conduct teaching and learning activities based on visual images based on the students’ understanding. Must reveal the law of knowledge, according to different content, using different teaching methods.