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什么是变式?就小学数学教学而言,就是在数学教学过程中通过变换概念、改变题中的条件或问题,有意识的、有目的地引导学生从“变”中发现“不变”的本质。在教学中,适当的应用变式,可以帮助学生在解决问题的过程中去寻求解类似问题的方法、思路,有意识地展现学生数学思维活动的过程,充分调动学生学习的积极性、引导学生主动学习,提高独立分析和解决问题的能力,培养学生思维的变通性、广阔性、灵活性和深刻性和创造性。同时变式能提高数学题目的利用率,提高数学课堂教学的有效性。下面结合课堂教
What is a variant? For primary school mathematics teaching, that is, in the process of mathematics teaching by changing the concept of changing the conditions or problems in the question, consciously and purposefully guide students from “change ” found “unchanged ”Essence. In teaching, proper application of variants can help students to find solutions to similar problems in the process of solving problems, ideas, students consciously demonstrate the process of mathematical thinking activities, and fully mobilize the enthusiasm of students to guide students to take the initiative to learn , Improve the ability of independent analysis and problem solving, cultivate the flexibility, broadness, flexibility and profoundness and creativity of students’ thinking. The same time variant can improve the utilization of math problems and improve the effectiveness of math classroom teaching. The following combination of classroom teaching