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【教学内容】苏教版小学数学五年级下册P93-94例1-例3及P94练一练、练习十七第1、2题。【教学目标】1.让学生在观察、操作等活动中感受并发现圆的有关特征,知道圆的各部分名称,发现同一圆内半径、直径的特征及关系,学会用圆规画圆。2.培养学生的观察、分析、抽象、概括等思维能力和初步的空间观念。3.进一步提高学生与他人合作交流的能力,激发学生学习的热情,培养自主意识,增强学好数学的信心
Teaching content】 【Sujiao primary school mathematics grade five under the P93-94 cases 1-3 and P94 practicing a practice, practice seventeen first and second questions. 【Teaching Objectives】 1. Let students feel and discover the relevant characteristics of the circle during the observation, operation and other activities, know the names of the various parts of the circle, discover the characteristics and relationships of the radius and diameter within the same circle, and learn to circle with the compasses. 2. To develop students’ observation, analysis, abstraction, general thinking ability and preliminary space concept. 3. To further enhance the ability of students and others to exchange and stimulate students’ enthusiasm for learning, develop their own sense of independence and enhance the confidence of learning mathematics