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2011年版数学课标把实验稿课标中的“符号感”改为“符号意识”不仅仅是一种名词的变化,更赋予它的实际意义:使用符号可以表示数、数量关系和变化规律;符号的使用是数学表达和进行数学思考的重要形式;使用符号可以进行运算和推理,得到的结论具有一般性。本文结合新课标学习和教学实践,谈谈如何有效地培养和发展学生的符号意识。一、在实际情境中帮助学生建立符号意识数学的产生和发展与现实生活密不可分,在教学过程中,如果能创设适宜的问题情境,将会有助于学
The 2011 edition of the mathematics standard to the draft class standard “symbol sense ” to “symbol consciousness ” is not just a change of nouns, but also gives it practical significance: the use of symbols can be expressed number, the number of relations And the law of change; the use of symbols is an important form of mathematical expression and mathematical thinking; the use of symbols can be calculated and reasoned, and the conclusions obtained are general. In this paper, the new curriculum learning and teaching practice, talk about how to effectively develop and develop the student's symbolic awareness. First, in the actual situation to help students establish symbolic awareness of the emergence and development of mathematics and real life are inseparable in the teaching process, if you can create a suitable problem situation, will help to learn