There are three kinds of classroom review: reviewing the old knowledge related to it before speaking a new lesson, which is called preview; After class, teachers often do some exercises while the iron is hot, which is a preparatory review for digestion; At the end of a class, sort out, summarize and summarize what you have learned in this section, which is a combing review for the purpose of absorption.

The purpose of after-class review is to eliminate forgetting and strengthen memory. No matter whether the teacher leaves homework or not, he should compare the class notes with the teaching materials before doing his homework.

Unit review refers to the review after completing a chapter or a group of contents, mainly to compare similarities and differences, find internal relations, and filter and accumulate.

The final review is mainly a process of analyzing, synthesizing and systematically classifying the scattered knowledge.

In our study life, the most precious time is to review after class, because the most effective way to prevent forgetting is to review in time. Psychological research shows that memory has rules to follow. If you don't review what you have learned, you will forget it. After a day, you will forget more than half. After two days, you will forget about 2/3, and the number of forgetfulness will gradually decrease. Therefore, if you don't review in time after study, it will greatly increase the difficulty of review and reduce the learning efficiency.

In order to improve the review efficiency, we should adopt certain methods and make reasonable arrangements from different angles. In terms of time arrangement, review after class should be arranged at least twice. For the first time, use your rest time to review the main points of this lesson with your brain. The second review should be arranged in the evening. Read the class notes and compare them with the textbooks.

In the use of review methods, you can use them flexibly according to your actual situation.

Commonly used review methods are:

(1) Try to remember. That is, when reviewing, first recall what the teacher said in your mind, then open a book or notebook for comparison, and then review the knowledge that is vague or can't be recalled at all. This can not only strengthen your memory, but also gradually develop the habit of positive thinking;

(2) Key points method. That is, in the review process, seek the main points of knowledge points, and grasp the main points to grasp the trunk of the problem. For example, when reviewing a text, you can use eye-catching colors to mark keywords, key sentences in each paragraph and transitional sentences connecting the preceding with the following, so that these words can be used as the support points of memory, and grasping a few keywords will also grasp the content of the whole text;

(3) Comparative method. That is, find out the characteristics and similarities of knowledge in various subjects, and strengthen the review effect by seeking differences in similarities or seeking common ground in differences/