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数学教学不仅要让学生理解基础知识,形成基本技能,更要让学生在获取数学知识的同时掌握一定的数学思想方法、形成科学探究数学的态度,这是当前小学数学教学的价值取向。其中,数学猜想作为一种创造性的思维活动,受到小学数学老师的追崇,很多老师都喜欢把“猜想—验证”作为知识的探究过程。但并非所有数学课上的猜想都能称作数学猜想,也并非所有的猜想都值得去验证,所以“猜想—验证”在数学教学中绝不能滥用。
Mathematics teaching should not only let students understand basic knowledge and form basic skills, but also let students grasp some mathematical ideas while acquiring mathematical knowledge and form a mathematical inquiry attitude. This is the value orientation of current mathematics teaching in primary schools. Among them, mathematical conjecture is a kind of creative thinking activity, which is advocated by primary school mathematics teachers. Many teachers like to use “guess-verification” as the inquiry process of knowledge. But not all the math conjecture can be called mathematical conjecture, not all conjectures are worth verifying, so “conjecture - proof” must not be abused in mathematics teaching.