做一名合格的老师,就需要“了解学情”。基于学生学习的教,是这个时代教师的共同追求。作为一名一线教师,我们每天都跟学生在一起,对学生是那么的熟悉,所以也一直自信是了解他们的。然而最近碰到的几个例子却让我发现,自己对这些熟悉的学生原来是那样的陌生。有这样一道经典的数学题:8克盐放入100克水中,盐占盐水的()。练习时总有那么几 To be a qualified teacher, you need to “learn”. Teaching based on student learning is the common pursuit of teachers in this era. As a front-line teacher, we are always with the students, so familiar with the students, so they have always been confident to know them. However, a few recent encounters have led me to find out that I was unfamiliar with these familiar students. There is such a classic math problem: 8 grams of salt into 100 grams of water, saline salt (). There are always a few exercises