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数感指的是关于数与数量、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。数感是对数的一种感悟,它不像知识、技能的习得那样立竿见影,教师如何在教学中潜移默化地培养学生的数感呢?武汉市青山区万泉老师在二年级下册《1000以内数的认识》一课的教学中对上述问题做了深入的研究。
Sense refers to the sense of number and quantity, the relationship between the number, the operation results of estimates 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. Feeling is logarithm of a number of sentiment, it is not as knowledge, skills acquisition as immediate, teachers how to subtly cultivate students in teaching sense of the number? Wuhan Castle Peak District Wanquan teacher in the second grade “1000 In-depth understanding of the number of ”lesson in the above-mentioned issues in-depth study.