我有幸被推荐参加了１９９９年１０月份在河南洛阳举行的“全国小学数学优化课堂教学第四届观摩交流会”，为大会提供了课题为《圆的认识》的现场课一节。在各级领导的指导与帮助下，我把新的教育观念有机地溶入课堂，积极为学生创设自主学习的良好氛围，力求让学生真正成为课 I was fortunate enough to be recommended to attend the Fourth Observation Meeting of Mathematics Teaching Optimization in Primary Schools in Luoyang, Henan Province in October 1999, which provided a live lesson entitled “Awareness of the Circle” to the conference. Under the guidance and help of leaders at all levels, I put the new concept of education organically into the classroom, and actively create a good atmosphere of self-learning for students, and strive to make students truly become a class