在新课程小学数学教材中,“年、月、日”是继“时、分、秒”之后另一层面的有关时间单位的知识。学生对这部分知识既熟悉又陌生。一方面学生已有“年、月、日”的感性经验,另一方面学生又对这三个时间的认识有限。因此,我确定本课的学习重点是认识时间单位年、月、日;难点是了 In the new curriculum primary school math textbooks, “year, month, day” is the second level after the “hour, minute, second” about time units of knowledge. Students are both familiar and strange to this part of knowledge. On the one hand, students have the sensual experience of “year, month and day”; on the other hand, students have limited understanding of these three time periods. Therefore, I am sure that the focus of this course is to know the time unit of year, month and day; the difficulty is