“同学们,你们下过围棋吗?这是一个棋盘(出示棋盘课件),谁能说说,棋盘上一共有多少个交叉点?”这是北京市朝阳区酒仙桥第二小学杨雪老师在三(1)班数学课堂上的“开场白”。直观而激疑式的导入方法使得课堂的气氛瞬间被激活起来,同学们纷纷举起了小手。“不着急,我给你们每个人都准备了一个棋盘,你们把自己的想法写一写、划一划,想想到底有多少交叉点,一会儿再一起交流。”杨老师微笑说道。在她的引导下,相邻的几个同学迅速结成小组,有的划,有的写,有的算,大家轻声讨论,认真地交流自己的看法。 “Classmates, have you ever played chess? This is a chessboard (showing chessboard courseware), who can tell, a total number of intersections on the board? ” This is the second primary school Jiuxianqiao Chaoyang District, Beijing Yang Xue Teacher in “three (1) class math class ” opening white “. Intuitive and immersive approach to the introduction of the atmosphere so that the classroom was instantly activated, students have raised his hand. ”Not in a hurry, I have a checkerboard for each of you, you write your own thoughts, draw a plan, think about how many intersections, and then communicate again." Yang said with a smile. Under her guidance, several of the neighboring students quickly formed a group. Some of them were drafted, some were written and some were counted. All of them talked softly and exchanged their views seriously.