圆复习课(国外英文资料).docVIP

圆复习课(国外英文资料) Collected by oneself Mistakes are unavoidable For reference only In case of error Please correct me! Thanks Round review lesson Clear Bay Primary School Long Liying First, the teaching content A round of knowledge review includes Recognition of 1. circles, circumference and area of a circle 2. in the circle of knowledge Including the center of the circle, radius, diameter, according to the requirements of painting circles; Perimeter formula of 3. circles Circular area formula; The knowledge of the 3 axial figures and the knowledge of the circumference and area of the circle can be used to solve the practical problems Two, teaching objectives 1. further understand the significance of the diameter, radius, perimeter, and area of a circle; 2. understand that the circle is an axisymmetric figure The line in which the diameter is the symmetrical axis of the circle; 3. can correctly calculate the circumference and area of a circle And self-evaluation of their own exercises; 4., can use the knowledge of circumference, area, to solve practical problems 5 develop students thinking ability By solving some practical problems Train students ability to solve problems by using what they have learned Three, key and difficult analysis Grasp the knowledge of the circle as a whole Use the knowledge of the perimeter and area of the circle to solve practical problems Understand and understand the derivation of the formula of the circle area Flexible use of knowledge to solve practical problems Teaching process design: Conversation introduction Students I have classes in math class this time Is everybody welcome? Listen to the teacher in your class You are very caring I like helping people in trouble If someone wants your help Would you like to help him? Two, create situations Stimulate students interest in learning Discuss the content of the review 1. creating situations Stimulate interest Teacher: Xiao Ming took part in a treasure hunt He arrived at the designated place