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高效,就是在比较短的时间里,用比较小的投入,得到尽量大的效率效益。何谓高效课堂?我认为,高效率的课堂,不仅是学生学有所获,更是投入和产出比较合理的课堂。这样的课堂中,学生乐学:不仅掌握了知识,更增长了能力;老师乐教:不再声嘶力竭,而是师生互动,适时点拨,少讲精讲。也就是说,高效课堂应该是学生愿意学、会学、乐学,学生思维活跃,语言表达正确、流利、有感情,课堂充满激情,分析问题与解决问题的能力强,目标达成且正确率在95%以上,圆满完成教学三维目标,能高效地促进学生的发展。课堂是预设的,精彩是生成的。我常常反思:怎样才使数学课堂高效呢?怎样演绎数学的精彩呢?下面以《数学广角:找次品》的教学设计,谈谈高效课堂如何演绎数学的精彩。
Efficient, that is, in a relatively short period of time, with a relatively small investment, as much as possible efficiency benefits. What is an efficient classroom? In my opinion, an efficient classroom is not only a lesson for students but also a more reasonable one for input and output. In this class, students learn music: not only mastered the knowledge, but also increased their ability; teacher music education: no longer hoarse, but interaction between teachers and students, timely call, speak less about. In other words, efficient classroom should be students willing to learn, learn, music, students thinking active, correct language expression, fluent, emotional, classroom full of passion, analysis and problem solving ability, the goal is achieved and the correct rate More than 95%, successfully completed the teaching of three-dimensional goals, can effectively promote the development of students. Classroom is pre-set, wonderful is generated. I often reflect on: how to make mathematics classroom efficient? How to deduce the wonderful mathematics? Here to “mathematical wide-angle: looking for defective” teaching design, talk about efficient classroom how to interpret the wonderful mathematics.