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“对比练习”是一种常用的数学教学方法,它将相关的一组数学题,通过内容、形式和方法等的呈现,把容易混淆、相互干扰或存在新旧联系的知识和不同的解题方法进行比较,以引导学生抓住联系、辨别差异,并从不同角度、不同层次理解解题的原理和方法,最终帮助他们发现有价值的数学规律,实现巩固知识、发展思维和提高数学素养的目的。本文将小学数学中的“对比练习”进行分类,并列举实例,以提高小学数学练习的有效性。
Contrast practice is a commonly used method of math teaching which relates a set of math problems related to the presentation of content, form, method, etc. with knowledge and different solutions that are easily confused, interfere with each other, or have old and new connections Problem method to guide students to seize the contact, identify differences, and from different angles and different levels to understand the principles and methods of problem solving, and ultimately help them find valuable mathematical rules, to consolidate knowledge, develop thinking and improve mathematical literacy the goal of. This article classifies the “comparative exercises” in primary mathematics and cites examples to improve the effectiveness of elementary mathematics exercises.