课堂实践师:同学们,大家好!根据学校的安排,这一学年由我来教大家数学。你们知道我姓什么吗?生:知道,你是余老师。(少数学生附和)师:是的,我姓余,叫余贤华。余贤华是一个人名。(板书有意将“人名”反序写出,写成“余贤华是名人”。不少学生窃窃私语)师:你们能用“余”组一个词吗?生:剩余、余下、多余、余数……师:大家组了这么多词,有的还和数学有关。在你们刚才组的这些词中,知道我最满意 Class practice division: Classmates, everyone! According to the arrangement of the school, this school year to teach you math. You know what my last name is? 生: Know, you are Yu teacher. (A few students attached) Teacher: Yes, I surnamed Yu, called Yu Xianghua. Yu-Hua Yu is a person’s name. (The blackboard intention to “” name “written in reverse, written ” Yu Xianghua is a celebrity. “Many students whisper) Teacher: You can use the” Yu "group a word? Health: the remaining, the rest, Excess, remainder ... ... Division: We set so many words, and some are related to mathematics. In the words you just set, I know I am most satisfied