《圆的认识》(国外英文资料).docVIP

《圆的认识》(国外英文资料) His collection of Feel very useful Upload to Baidu To share with you! Teaching design and Reflection on the circle of understanding In the center primary school Chen Lijian Xun Analysis of teaching materials: The first textbooks explain what is round Combined with the objects around and say This arouses the students previous life experience The folding circle, circle, measurement and other activities Show the characteristics of a circle Its purpose is to enable students to observe the relationship between the various parts of operation and understanding in the circle In order to grasp the characteristics of a circle and explain the related problems in life Learning situation analysis: The circle is the basis of learned linear graphics and preliminary understanding of the circle on the students teaching This circular curve graphics plane Students often see in life What characteristics? Is the focus of learning this lesson In the learning circle Students through observation, operation You get some information about the characteristics of a circle of knowledge So to improve the students learning interest greatly Play the subjectivity of students Teaching objectives 1, from the life of middle school students familiar introduction To enable students to understand the circle Know the name of each part of circle Know the relationship between the characteristics of radius and diameter of the same circle and two. According to this relationship for the diameter of a circle or radius. 2, learn to use your compasses to draw a circle Learn to use other tools to draw a circle Enable the students to learn to explain and solve practical problems in life with mathematics knowledge 3, students further experience and touch of life circle The cultivation of practical students observation ability, operation ability, abstraction ability and cooperation ability Feel the beauty of the circle from the point of view of Mathematics To stimulate students enthusiasm and interest