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《义务教育数学课程标准(2011年版)》明确地把“数感”作为数学重要课程内容提出来,并将它列在六个核心概念之首,充分表明培养学生数感的重要性和迫切性。所谓数感,主要指关于数与数量、数量关系、运算结果估计等方面的感悟。建立数感有助于学生理解现实生活中数的意义,理解或表达具体情境中的数量关系。如何培养学生的数感呢?结合本人的教学实践谈四点体会。一、生活化策略,积累数感数学知识源于生活,用于生活。对于小学生而言,数感的培养既非抽象说教习得的,也非一蹴而就可及的,更
“Compulsory Education Mathematics Curriculum Standard (2011 Edition)” explicitly put “number sense” as an important mathematics course content, and put it in the first six core concepts, fully demonstrated the importance of training students sense of the number and Urgency. The so-called sense of the number, mainly refers to the number and the number of relations between the estimated results of computing and other insights. Creating a sense of number helps students understand the meaning of numbers in real life and understand or express the quantitative relationship in specific contexts. How to cultivate students’ sense of number? I will talk about my experience in teaching practice. First, the strategy of life, the accumulation of a sense of Mathematical knowledge from life, for life. For pupils, the number of flu training is neither abstraction, nor overnight, but also more