记得多年前,曾经听过黄爱华老师的课,当时他执教的是非常有名的一堂课——《百分数》,那堂课据说上了很多次。那是我第一次听他的课,听之前很是期待。拿着一支粉笔,操着浓厚的南方普通话,黄老师与湖南的孩子愉快地度过了40分钟。时隔多年,细节已经记不清,但是仍然记得他在课堂上与孩子们你来我往、倾心交流的情景;记得孩子们那欢呼雀跃、自信大胆的样子。今天,再次观摩黄老师在讲台上执教《垂线》一课,还和当年的感觉一样。他用自己特有的方式、 I remember many years ago, I had heard of Huang Aihua teacher’s class, when he coached a very famous lesson - “percentage”, that class was said many times. That was the first time I listened to his class and looked forward to it. With a piece of chalk and a strong southern mandarin, Huang and his children in Hunan spent happily for 40 minutes. After many years, the details have not remember, but still remember his class in the classroom with the children you come to my heart, exchanges; remember the children cheer, confident and bold look. Today, seeing Huang again observing the “vertical line” lesson on the podium still feels the same as that year. He used his own unique way,