【教学目标】1.知识与技能:结合生活情境认识角,能够识记和理解角各部分的名称,会用不同的方法做出角,能识别角有大小,学画、能识记理解和应用。2.过程与方法:让学生经历“感知—表象—抽象概括”的过程,初步体验空间与图形的意义。3.情感、态度与价值观:培养学生自己学习的精神,养成良好的学习习惯,体验数学与生活的联系,激发学生学习数学的兴趣,发展数学思考。【教学重点】经历活动,形成角的正确表象,初步建立角的概念。 Teaching Objectives 1. Knowledge and Skills: Combining the angle of understanding of life situation, the name of each part can be recorded and understood, and the angle can be made by different methods. application. 2. Process and methods: Let students experience “perception - appearance - abstract summary ” process, the initial experience of the meaning of space and graphics. 3. Emotions, attitudes and values: Students develop their own learning spirit, develop good learning habits, experience the connection between mathematics and life, to stimulate students interest in learning mathematics, the development of mathematical thinking. Teaching focus Experience activities, the correct appearance of the corner, the initial establishment of the concept of corner.