“解含有两个未知数的简易方程应用题”一节课的新知识点结束后,大多数学生脸上都露出了会心的微笑。我懂得,这是学生顺利完成知识内化的表现。但我也注意到有几位学生眉头紧皱,一脸疑惑。是对新知识的理解不够透彻,还是自信心不足?或是想到了答案但害怕回答错误?于是,在把第一个条件变化成“果园里的杏树比桃树多90棵”进行尝试练习时,我让他们先说出自己的想法。但是当我请一位同学回答时,他迟疑不决。按以往的做法, After the new knowledge point of “Solving the Simple Equations with Two Unknowns”, most of the students’ faces showed a knowing smile. I understand that this is a manifestation of students’ successful completion of knowledge internalization. But I also noticed how many students frowned and looked puzzled. Is not enough understanding of new knowledge, or lack of confidence? Or think of the answer but afraid of answering the wrong? So, in the first condition into “orchard” apricot more than 90 " When I try to practice, I let them say their own thoughts first. But when I asked a classmate to answer, he hesitated. According to past practice,