数感,就是对数学的感觉、感受乃至感情。从数学教育心理学的角度看,具体地表现在对日常生活中的数和运算有敏锐的感受力,有意识地从数学的角度去观察、解释和表示客观事物的数量关系、数据特征和空间形式,善于捕捉一般问题中潜在的数学特征。由于数学知识本身来源于现实生活,因此培养数感,就要把数学教学同实际生活相联 Feeling, is the feeling of mathematics, feelings and feelings. From the perspective of mathematical educational psychology, it is manifested in its sensitivity to numbers and operations in daily life, consciously observing, interpreting and expressing the quantitative relations, data features and spatial forms of objective things from the perspective of mathematics, Be good at capturing potential math features in general problems. Because mathematical knowledge itself comes from real life, so to cultivate a sense of number, it is necessary to connect mathematics teaching with the actual life