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评价,对全面了解学生的学习状况,激励学生的学习热情,促进学生的全面发展有着重要的意义。作为课堂教学过程中的即时评价,又多以口头表达的形式呈现出来,我们称之为“口头评价”。课堂教学的调控离不开对学生的口头评价,但不少教师只注重口头评价的判断和激励功能,而忽视了口头评价的引领和点拨功能。例如,在教学“由数字0,1,2,3可以组成多少个无重复数字的三位数”时,
Evaluation, to fully understand the learning situation of students to motivate students’ enthusiasm for learning and promote the all-round development of students is of great significance. As an instant evaluation in the process of classroom teaching, it is often presented verbally, which we call “verbal evaluation”. The regulation of classroom teaching can not be separated from the verbal evaluation of students, but many teachers only pay attention to the verbal evaluation of the evaluation and incentive functions, while ignoring the verbal evaluation of the leading and dialing functions. For example, when teaching "how many non-repeating three-digit numbers can be composed of numbers 0, 1, 2, and 3,