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《课程标准》指出:建立符号意识有助于学生理解符号的使用是数学表达和进行数学思考的重要形式。因此,在小学数学教学中符号意识的培养是非常有必要的,然而在培养过程中也存在一些“高原现象”。本文分别从教学情境的创设、学习方式的选择是否能提高学生的学习兴趣和符号意识;教学内容的呈现、教学手段的运用是否基于学生的知识起点并符合学生的认知规律等方面阐述自己的教学思考。
Curriculum Standard states that the establishment of symbolic awareness helps students to understand the use of symbols as an important form of mathematical expression and mathematical thinking. Therefore, it is very necessary to cultivate the symbolic awareness in elementary mathematics teaching, however, there are some “plateau phenomena ” in the process of training. This article elaborates whether the choice of learning mode can improve the students’ interest in learning and the sense of sign, from the creation of teaching situation and the choice of learning mode; whether the teaching content is presented or whether the use of teaching means is based on the starting point of students’ knowledge and in accordance with the students’ cognitive rules; Teaching thinking.