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如何引导学生从整体上掌握了求两数相差多少问题的方法,培养学生解决两数相差关系问题的能力,是小学低段数学教学的重难点。从摆实物分析题目条件的课堂教学思路入手,点拨学生找出两数相差关系题目中的大数、小数和相差数,引导出相关的数学公式,从而使学生全面掌握解决两数相差关系应用题的解题方法。
How to guide students from the overall grasp of the difference between the number of two ways to cultivate students the ability to solve the problem of the relationship between the two numbers is the primary difficulty in the lower mathematics teaching. Starting from the classroom teaching mode of physical analysis of the topic conditions, we should point the students to find the big numbers, the decimals and the difference numbers in the relationship between the two numbers, and guide the relevant mathematical formulas so that the students can fully grasp and solve the problem of the difference between the two numbers Problem-solving method.