一、来自闲谈中的教学感悟数学课下课了,我听到有学生在闲聊:其中一人说:“福建东南电视台在组织一种趣味体育比赛,很好玩的。比赛时把参赛队员的腿两两绑在一起,20个人19条腿,一齐往前迈。如果配合不好,就会整列摔倒失败。”另一个人说:“真的吗?那可太有意思了。”我听完,马上对两位学生说:“打住,你们发现自己所说的话有问题吗?”“没有啊!”他们一齐回答道。我只好开始启发他们的思路,说:“两个人腿绑在一起是几条腿?”“3条啊!”他们说。 First, from the chat in the teaching of perception math class after class, I heard some students chatting: One of them said: “Fujian Southeast TV in the organization of a fun sports competition, it is fun to play when the team members legs two Two tied together, 20 individuals 19 legs, move forward together if not fit, will fall out of the whole column failure. ”Another said: “ Really? That is very interesting. ”I Listening, immediately said to the two students: “Stop, you find there is a problem with what you say? ” “No ah!” They replied. I had to begin to inspire their ideas, saying: “How many legs are they tied together?” “3”! "They said.