Writing on the blackboard, understood from a dynamic point of view, is a kind of speech activity in which teachers write words and symbols on the blackboard in class to convey teaching information and educate people. It is also called written language for teaching. From a static point of view, it is the general name of teaching information presented by teachers on the blackboard with concise words, symbols and charts to help students understand and master knowledge in the teaching process.
Types and applications of blackboard writing;
1、? Outline blackboard writing is a system arranged by brackets and numbers by teachers according to the internal relationship between teaching key contents and teaching design procedures. This kind of blackboard writing has the advantages of clear organization, prominent focus, concise words and clear teaching ideas, and is a commonly used form of blackboard writing in various subjects.
2. Compare blackboard writing. It is a blackboard writing that shows the similarities and differences of knowledge in a comparative way according to the teaching content and the relevant knowledge that students have mastered. This kind of blackboard writing has a strong contrast, which is conducive to guiding students to distinguish the nature and personality of knowledge, and is conducive to the training of students' thinking ability of seeking differences.
3、? Word blackboard writing. On the basis of analyzing and studying the teaching content, it extracts keywords and phrases from it to form an outline of blackboard writing. This kind of blackboard writing is mostly used in Chinese subjects. Its characteristic is that it can help students analyze and understand keywords and further clarify the main contents of teaching.
4. Clue blackboard writing. It is a blackboard writing form that reflects the main contents of teaching in a certain order according to some connection of teaching contents. The characteristic of this blackboard writing is that it can show the process of occurrence and development, highlight the process of knowledge formation and help students learn to learn.
5. Drawing on the blackboard. According to the characteristics of teaching content, it is a blackboard writing that vividly outlines the internal relations between things with the help of pictures or pictures in words. This kind of blackboard writing is vivid, vivid and intuitive, showing the internal relations of things to the fullest, which can effectively stimulate students' interest in learning and promote the development of abstract thinking ability.
6. Comprehensive blackboard writing analysis. It is a kind of blackboard writing that reveals the teaching content and shows the thinking process by means of analysis and synthesis. Its basic characteristics are clear thinking, strict logic and strong inspiration, and it is a commonly used blackboard writing method in mathematics and Chinese teaching in primary schools.