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探究算理和掌握算法是计算教学的两大任务,算法是解决问题的操作程序,算理是算法赖于成立的数学原理。在计算教学中,算理探究和算法掌握具有同等重要的地位,两者不可偏废。但在新课程实施过程中,在“读思练”教学模式教研教改中,由于部分教师对算法多样化教学理念的片面认识和对教学技能熟练程度的过分追求,出现了一味追求多种算法或单一算法而忽视算理探究的新问题,值得广大教师反思。
To explore algorithms and master algorithms are two major tasks in computational teaching. Algorithm is the operating procedure to solve problems, and arithmetic is the mathematical principle that algorithm depends on. In computational teaching, arithmetic exploration and algorithm control have the same important status, both can not be neglected. However, in the course of implementing the new curriculum, in the teaching and research reform of teaching mode of “thinking and thinking”, due to the one-sided understanding of algorithm diversification teaching philosophy and excessive pursuit of teaching skill proficiency, Algorithm or a single algorithm to ignore the new problems of mathematical exploration, it is worth the majority of teachers to reflect on.