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新课程理念下的数学教学是数学活动的教学,是师生之间的交往互动与共同发展的过程,这个过程是不可忽视的生命的载体,是动态的生成。课堂因生成而精彩。预设与生成有着密切的关系,教案是预设的,课堂是生成的。课堂的生成尽管有些是不可预知的,但它是可以预设的,精心预设下的生成将更精彩。那么,教师如何在课前精心预设,课堂上有效引导动态生成,使教学演绎得更加精彩?一、精心预设,铺垫生成古人云:“凡事预则立,不预则废。”没有预设的生成往往是盲目的、低效的,甚至是
The teaching of mathematics under the concept of new curriculum is the teaching of mathematics activities and the interaction and common development between teachers and students. This process is a carrier of life that can not be ignored and is a dynamic generation. Classroom generated by the wonderful. Presets and the formation of a close relationship, lesson plans are pre-set, the classroom is generated. Classroom generation is unpredictable, although somewhat unpredictable, but it is presupposed that it will be more exciting to create with a meticulous preconception. So, how to pre-class teachers carefully pre-class, effectively guide the dynamic generation in the classroom, teaching more wonderful interpretation? A well-designed, bedding to generate the ancients said: " No default generation is often blind, inefficient and even