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板书在教学中的重要作用,已为人们所共知,然而“板画”的效能,却有待我们进一步认识。在教学活动中,教师用粉笔迅速地以极简单的线条,将大致形象,或添加些符号、文字,画在黑板上,叫板画。它不仅具有形象性、示意性,而且还具有简洁性:即尽可能用简单的几何线条代替复杂的实物形体;抓住表现主体轮廓和主要特征而略去细节;科学地安排笔序,尽可能连笔画成。因此,板画既不必敷色渲染,又无须工笔细描,每个教师都会感到易学好作,可以认为是一种借鉴于速写、漫画、儿童画、简笔画的特殊画种。
The important role of the blackboard in teaching has been known to all people. However, the effectiveness of the “plate painting” has yet to be further understood by us. In teaching activities, teachers use chalk to rapidly outline the image or add symbols and texts to the blackboard with simple lines. It is not only visual and schematic, but it also has simplicity: it uses simple geometric lines to replace complex physical objects as much as possible; it captures the outline and main features of the subject and omits the details; and scientifically arranges the writing sequence. Even the strokes become. Therefore, the board painting does not need to be colored and rendered, and it is not necessary to make detailed drawings. Each teacher will feel that it is easy to learn, and it can be considered as a special kind of painting that draws on sketches, cartoons, children’s drawings, and stick figures.