“动态生成”是新课程改革的重要理念之一,是理想课堂呈现出来的绝妙风景。新课标指出:学生的数学学习活动应当是一个生动活泼、主动和富有个性的过程。理想的数学课堂是充满动态生成的过程,课堂的精彩之处往往来自于精心预设基础上的精彩生成。一、生成也可预设学生是课堂的主体,是学习的主人。新课程倡导“以生为本”的教学方式,课堂的每一分钟都可能孕育着创新,都可能诞 “Dynamically Generated ” is one of the important concepts of the new curriculum reform. It is the wonderful scenery presented by the ideal classroom. The new curriculum standard points out: Students’ mathematics learning activities should be a lively, active and individualized process. An ideal math class is a process that is dynamically generated. Classroom highlights often come from elaborately-generated wonderful builds. First, the generation can also be preset Students are the main body of the class, is the master of learning. The new curriculum advocates “students-based ” teaching methods, every minute of the classroom may have nurtured innovation, are likely to be born