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【教学内容】人教版数学二年级上册第39页例1、例2内容及相应的练习。【教学目标】知识与技能:(1)通过学习使学生初步认识角,知道角的各部分名称。(2)初步学会用直尺画角,在操作、交流中体会角是有大小的,感悟角的大小只与两边张开的大小有关。过程与方法:通过观察、操作等数学活动,培养学生的观察能力、实践能力,建立初步的空间观念,发展学生的形象思维。情感与态度:通过实践活动,使学生获得成功的体验,树立自
【Teaching content】 PEP mathematics second grade volume on page 39 Example 1, Example 2 content and the corresponding exercises. 【Teaching Objectives】 Knowledge and Skills: (1) Through learning to make students initially understand the angle, know the name of each part of the angle. (2) preliminary learn to use ruler to draw the angle, in the operation, exchange experience angle is the size, perception of the size of the angle only with the open on both sides of the size. Process and method: through the observation, operation and other mathematical activities, students ’observation ability, practical ability, the establishment of preliminary space concept, the development of students’ image thinking. Emotions and Attitudes: Through practical activities, students can gain a successful experience and establish themselves