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情境引入作为导课的重要方式已经成为数学教学实践中的一种潮流。一次数学教研活动,引发了我对如何把握“有效课堂情景引入”的深入思考。通过对活动中“同课异构”的总结对比,认为情景引入要避免泛滥使用、喧宾夺主、弄巧成拙。好的情景要吸引学生眼球,体现新颖性;要反映所学问题本质,体现针对性;要贴近学生生活,体现启发性;要提高课堂效益,体现简洁性。为了更好地在数学课堂的教学实践中把握情境引入这一方法,又提出了一些新的思考。
The introduction of context as an important way to guide lessons has become a trend in mathematics teaching practice. A mathematics teaching and research activities, triggered my on how to grasp “effective classroom scenario introduction ” in-depth thinking. Through the summary of the activity “heterogeneous in different lectures ”, it is concluded that the situation should be introduced to avoid flooding the use of excessively dominant, self-defeating. Good situation to attract students eye, reflecting the novelty; to reflect the nature of the problem, reflect the pertinence; to be close to the student life, reflecting the inspiration; to improve classroom efficiency, reflect the simplicity. In order to better grasp the situation in mathematics classroom teaching practice to introduce this method, put forward some new thinking.