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徒手画是教师必备的基本功之一,它能够为课堂教学赢得宝贵的时间,提高教学效率,增强学习效果,激发学生的学习热情。对此,陈明山老师曾作出精彩的论述。笔者认为,运用徒手画还应注意以下几点。 1.徒手画要体现一个“功”字 教师必须经过千百次地、认真刻苦地训练,达到一定的程度方可在学生面前实施徒手画。否则,若教师自我练习不够,火候不到,画直线不直,画圈下圆,不仅会影响几何图
Freehand drawing is one of the basic skills necessary for teachers. It can earn valuable time for classroom teaching, improve teaching efficiency, enhance learning results, and stimulate students’ enthusiasm for learning. In this regard, Mr. Chen Mingshan has made wonderful expositions. The author believes that the use of freehand drawing should also pay attention to the following points. 1. Freehand drawing should embody a “gong” character. Teachers must train after thousands of times and earnestly and diligently to reach a certain level before they can perform freehand drawing in front of students. Otherwise, if the teacher does not practice enough and the heat is not reached, the straight line is not straight and the circle is drawn, which will not only affect the geometry.