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如何在计算教学中处理好算法多样化和算法优化之间的关系,真正使学生能掌握多种算法,同时又能熟练运用最优化方法进行计算,是一直困扰教师的一大难题。在“20以内退位减法”的教学中我尝试把二者有机结合,取得了一定的成绩,下面谈谈教学心得。一、鼓励学生积极思考,提倡算法多样化“由于学生生活背景和思考角度不同,所使用的方法必然是多样的,教师应尊重学生的想法,鼓励学生独立思考,提倡计算方法的多样化”。
How to deal with the relationship between algorithm diversification and algorithm optimization in computational teaching so that students can master a variety of algorithms and master the optimization method at the same time is a major problem that plagued teachers. In the “less than 20 abatement minus” teaching I try to combine the two, and achieved some success, the following talk about teaching experience. First, to encourage students to actively think and promote the diversity of algorithms “As the student life background and different perspectives, the methods used must be diverse, teachers should respect the students’ ideas, encourage students to think independently, to promote the diversity of computing ”.