近日,笔者全程参与学校组织的高三年级“名师示范”(数学组)听评课活动,受益匪浅.下面撷取“数列的概念及简单表示”四个教学片断,谈谈自己的理解与感悟,不足之处求教于同行. Recently, I participated in the whole school the third year of high school “teacher model ” (mathematics group) to listen to class activities benefited a lot .Fetch the following “sequence concept and simple expression ” four teaching pieces, talk about myself Understanding and perception, inadequate neighborhoods in the peer.