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在小学数学教学中,帮助学生展开公式的记忆与理解是一大难点,因为若小学生的脑海中存储过多的记忆内容则会产生混淆,使教学效果适得其反。为了避免这一弊端,教师必须从公式的“可证明与可推导”入手,本文利用几何公式的推导来举例,旨在说明推导过程的实质是化未知为已知,转陌生为熟悉,从而让学生轻松自如地获取新知,突破传统记忆方法的禁锢。
In primary school mathematics teaching, helping students to formulate the memory and comprehension of the formula is a big difficulty, because if the primary school student’s mind stores too much memory content, it will be confused, making the teaching effect be counterproductive. In order to avoid this disadvantage, teachers must start from the “proof and deduce ” of the formula, this article uses the derivation of the geometric formula to give an example to illustrate that the essence of the derivation process is that knowledge is unknown, So that students can easily access to new knowledge, breaking the shackles of traditional memory methods.