圆复习课（Round recitation）.doc

圆复习课（Round recitation） Information worth having It comes from the accumulation of learning There must be a problem Also please criticize the correct! Round recitation Qingwan central primary school longliying I. teaching content The round knowledge review includes. 1. Circular understanding, circular circumference, area In a circle Include the center, radius, diameter, and draw circles as required; 3. The circumference formula of the circle The circular area formula; The knowledge of axisymmetric graphics and the use of the knowledge of circular circumference and area to solve practical problems Ii. Teaching objectives 1. Further understand the diameter, radius, circumference and area of the circle; 2. Understand that circles are axisymmetric graphs The line where the diameter is is the axis of symmetry of the circle; 3. The circumference and area of the circle can be correctly asked And self-evaluation of their own practice; 4. Can use the knowledge of the circle of knowledge to solve practical problems Develop students thinking ability By solving some practical problems Cultivate students ability to solve problems using the knowledge they have learned Iii. Analysis of key points and difficulties Overall grasp the knowledge about circles To solve practical problems with the knowledge of circular circumference and area Understand the derivation of the formula of circular area Flexible use of knowledge to solve practical problems Teaching process design: One. Conversation import The classmates Im here in math class Are you welcome? Listen to the teacher in your class You are very loving I like to help people in need If someone wants your help Are you willing to help him? Create a situation Motivate students to learn Discuss the review 1. Creation situation Stimulate interest in Teacher: xiaoming participated in a treasure hunt He came to the designated place as requested Get a treasure map tip: the treasure is 3 meters from where you stand Xiaoming cant find it for a