如何用比较少的时间,花费较少的精力,获得更好的教学效果,这是广大小学数学教师一直在探讨和研究的话题。要达到这个教学目的,教师就必须对班级中的学生有着充分的认识,对数学学科的教学内容要十分熟悉,抓住二者的特点,辅以科学的教学手段和教学方法, How to spend less time and spend less energy to get better teaching results is the topic that most primary school mathematics teachers have been discussing and researching. To achieve this goal, teachers must have a full understanding of the students in the class, the teaching content of mathematics should be very familiar with, grasp the characteristics of both, supplemented by scientific teaching methods and teaching methods,