课堂评估的目的是为了了解学生,改进教学。在众多的教学研究中,有一个受到广泛认同的研究结果,即教师对学生了解得越多、越深入,那么所取得的教学效果就会越好,学生也就能够更好地掌握数学概念、发展数学思维。可以说,学生的学习效果与教师对学生的了解程度息息相关。许多研究 The purpose of the classroom assessment is to understand the students and improve their teaching. Among the many teaching and research, there is a widely recognized research result that the more teachers understand the students, the more in-depth, the better the teaching effect will be and the better the students will master the mathematical concepts, Develop mathematical thinking. It can be said that the effect of students ’learning is closely related to the level of teachers’ understanding of students. Many studies