新课程改革为数学课程教学注入了新的活力,它改变了以往单一的师“授”生“受”的教学方式,凸显了学生的主体地位。然而,随着对新理念、新方法的实践,许多新问题也逐渐出现。如数学课究竟要不要预习?学生预习后的“先知”是否会使课堂探究陷入尴尬?随着对新课程的教学实践,笔者对这些困惑有了一些清晰的想法及深切的 The new curriculum reform has infused new vitality into the teaching of mathematics curriculum. It has changed the previous single teaching mode of “giving students” and “receiving” education, which highlights students’ dominant position. However, with the new ideas and practice of new methods, many new problems are gradually emerging. Such as math class whether or not to preview? After the students preview “prophet” will make classroom exploration into embarrassment? With the new curriculum teaching practice, the author of these puzzles have some clear ideas and profound