日常教学中有一些问题,老师虽讲过多遍,但学生仍经常出错,这些地方,也许正是我们在教学中不了解学情,忽视学情所致.下面以一道常规例题的常规教法为例谈一些体会.题目:解不等式|x-2|+|x-3|<4.这是一道很常规的例题,以前在讲这道题的时候,通常是先告诉学生,这是一道含两个绝对值符号 There are some problems in daily teaching, although the teacher said many times, but students often make mistakes, these places, perhaps we do not understand the teaching in the learning, ignoring the circumstances caused by learning. The following to a routine example of the conventional method As an example to talk about some experience. Title: solution inequality | x-2 | + | x-3 | <4. This is a very common example, when speaking about this problem, usually first tell the students, this is a Contains two absolute symbols