【教学内容】苏教版五年级下册第81页例1及随后的“练一练”。【教学重点】1.认识1公顷,体会1公顷的实际大小,发现平方米和公顷之间的进率,会进行简单的换算。2.创造单位名称,体会公顷与已学过的面积单位之间的联系,并能解决一些简单的实际问题。【课前准备】布置学生上课前在校园的四周走走,到操场上跑跑,感受校园、操场的面积大小,28个同学在操场上围成一个正方形再感受围成的正方形的大 Teaching content】 【Sujiao version of the fifth grade volume on page 81 Case 1 and the subsequent “Practice a practice.” 【Teaching Points】 1. Recognize 1 hectare and experience the actual size of 1 hectare. If we find the rate of progress between square meters and hectares, we will carry out simple conversion. 2. Create the unit name, understand the link between the hectare and the area unit that has been learned, and solve some simple practical problems. [Pre-class preparation] Arrangements Before the class students walk around the campus, to the playground running, feel the size of the campus, playground area, 28 students in the playground surrounded by a square and then feel the enclosed square