备好课是上好课的关键。不仅青年教师要认真备好课,中老年教师也应该兢兢业业地备好每一节课。尽管小学数学教材中的一些概念、法则、公式等基础知识变化不大,但是随着现代科学技术的发展,教材体系需要不断更新,新的知识会不断地增加到教材中来,对教材的钻研永无止境。同时,由于每届学生情况都各不相同,即使同一班级的学生,情况也在不断变化,因此对每节课的教学要求和教法,必须从实际出发, Preparing a lesson is the key to a good lesson. Not only young teachers should be well prepared class, middle-aged teachers should also be prepared to prepare each lesson with diligently. Although some concepts, rules, formulas and other basic knowledge in primary school mathematics teaching materials have little change, with the development of modern science and technology, the teaching material system needs to be constantly updated, new knowledge will be added to the teaching materials constantly, and research on teaching materials Endless. At the same time, because each student's situation is different, even if the same class of students, the situation is constantly changing, so the teaching requirements for each lesson and teaching methods must proceed from reality,