圆的认识教学设计张彩（Circle of understanding, teaching design, Cai Cai）.docVIP

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圆的认识教学设计张彩（Circle of understanding, teaching design, Cai Cai）.doc

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圆的认识教学设计张彩（Circle of understanding, teaching design, Cai Cai）

圆的认识教学设计张彩（Circle of understanding, teaching design, Cai Cai） I carefully collated documents, documents from the network I only collect and sort out In case of error Please check it yourself! Understanding of the circle [Xinzheng city] designer Huang Shui Lu primary school teacher Zhang Cai [] on the sixth grade mathematics learning content Peoples education press, 2007 Edition [curriculum standards] By observing, operating and recognizing the circle You can draw a circle with your compasses [content analysis] The content of this course is to teach students on the basis of understanding various rectangular patterns such as rectangles It was also the last familiar graphic figure in elementary school The idea of compiling textbooks is to reveal the circle by means of material objects Let the students feel the close relationship between the circle and life Then lead the students to draw circles Initial characteristics of round perception The method of mastering the circle of compasses on this basis Guide students to understand the relevant concepts of the circle Grasp the basic features of a circle This part of teaching Broaden the scope of the students knowledge Enrich students learning experience in space and graphics Further develop the students spatial concept The study of knowledge about the circle It also lays a foundation for future study Through the above analysis Radius, diameter, meaning and relationship is the focus of this section [learning situation analysis] Students of grade six are rich in life experience and knowledge accumulation But the concept of space is weak Hands on operation ability is low The gap of students learning level is great Group consciousness is not strong Rectangle before learning Square, etc. are straight lines, plane figures The circle is a curve plane figure Students are expected to do hands-on work There are some difficulties in cooperative inquiry Therefore, teachers should make demands when they are required to cooperate with st