变式教学要求在课堂上通过变式展示知识的发生、发展、形成的过程,因此,变式教学有利于培养学生探究问题的能力,是双基教学、思维训练和能力培养的重要途径。变式有多种形式,如“语言变式”、“计算方法变式”、“图形变式”等。现结合实例,展示几种变式教学策略:1.语育变式。教师在课堂上变换不同的语言叙述方式将知识呈现,既有利于学生对知识深度的理解,又有利于学生对知识广度的延伸。 Variant teaching requires that the process of occurrence, development and formation of knowledge be demonstrated in a variety of forms in the classroom. Therefore, variant teaching is conducive to cultivating students’ ability to explore problems and is an important way of teaching in double bases, thinking training and ability cultivation. Variants have many forms, such as “language variant ”, “calculation method variant ”, “graphic variant ” and so on. Now combined with examples to show several variant teaching strategies: 1. Educative variants. Teachers in the classroom to change the way different languages ​​to present knowledge, not only help students understand the depth of knowledge, but also help students extend the breadth of knowledge.