【教学内容】苏教版三年级下册第51~52页。【教学过程】一、准备先行,激活已有经验课前让学生完成如下备学问题:1.一天的时间是从什么时候开始的?2.上午的时刻可以怎样表示?还可以怎样表示?请举例说明。3.下午的时刻可以怎样表示?还可以怎样表示?请举例说明。4.生活中你在哪里看见过这种记时法?5.还想了解哪些记时法的知识或还有哪些疑问?【设计意图:学生在日常生活中,已经接触到了记时法,有 【Teaching content】 Sujiao version of the third grade volumes 51 ~ 52 pages. 【Teaching process】 First, prepare the first, activate the existing lessons before the class to prepare students for the following preparatory questions: 1. The time of the day is from when? 2. How can the morning of the moment? How can we say? for example. 3. How can we express afternoon time? How can we express it? Please give an example. 4. Where did you see this kind of notation in your life? 5. What kind of notation you would like to know or what other questions you have in mind? [Design intent: Students in daily life have been exposed to the notation,