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策略从何处来?在解决问题的过程中产生困惑和需求,策略“应运而生”。通过比较和反思把学生的思维引向深入,使学生认识到同一个问题可以用多种策略解决,同一个策略可以有不同的解题思路;不同的策略、不同的解题思路也有优点或局限性,感受相对简捷的解题思路,逐步形成选择最优化策略解决问题的意识;策略之间不是相互孤立的,而是互补互利的。这次策略的“盛会”最终让策略思想回归到学生心中。
Strategy come from? Puzzle in the process of solving problems and needs, strategy “came into being ”. By comparing and reflecting on students’ thinking, the students can realize that the same problem can be solved by multiple strategies, and the same strategy can have different solutions. Different strategies and different solutions have some advantages or limitations Sexual, feeling relatively simple problem-solving ideas, and gradually form the choice of optimization strategies to solve the problem of awareness; strategy is not isolated from each other, but complementary and mutually beneficial. The strategy of “event ” eventually let the strategic thinking back to the hearts of students.