长期以来,许多教师在教学中只会机械地陈述课程内容,学生被动地接受知识,教学并不能取得良好的效果。在教学开始阶段,通过一段短小精悍、快速准确的课程导入,使学生带着兴奋和好奇进入到要学习的知识中去,不仅有利于学生对学习内容的准确把握,也能够激发学生的学习兴趣。教学导入的好坏对于教学质量的影响是至关重要的,不同的对象、不同的课程采取的教学导入方法也各不相同。小学数学作为数学教学的入门阶段,加之学科本身的困难和单调,有 For a long time, many teachers in the teaching will only mechanically state the course content, students passively accept knowledge, teaching and can not achieve good results. At the beginning of teaching, through a short, quick and accurate course introduction, students can enter the learning knowledge with excitement and curiosity, which not only helps the students to grasp the learning content accurately, but also stimulates students’ interest in learning. The quality of teaching is very important for the quality of teaching. Different teaching methods are introduced to different subjects and different courses. Elementary mathematics as the introduction of mathematics teaching stage, coupled with the difficulties and monotonous discipline itself, there