数感被作为人的一种基本数学素养,摆在了非常重要的位置。数感的建立不是一蹴而就的,它的形成是一个循序渐进、潜移默化的过程。而“数的认识”是培养学生数感的主要途径,我就“100以内数的认识”教学,在培养学生数感方面谈谈个人体会。一、充分利用学具,直观的进行感知教学片断一:师:小朋友们都准备了许多的小棒,每10根捆成一捆,比一比谁捆得多,时间1分钟。学生捆小棒比赛。师:好,时间到。你捆了几捆,是多少根?生:我捆了3捆,是30根。师:嗯,不错哦。3捆是3个十,也就是30,还有哪个 Sense of number as a basic mathematical quality of people, placed in a very important position. The establishment of number sense is not accomplished overnight, and its formation is a gradual and subtle process. And “number of knowledge ” is the main way to cultivate the sense of number of students, I “100 number of knowledge ” teaching, to talk about personal experience in cultivating students’ sense of number. First, make full use of learning tools, intuitive perception of teaching a fragment: Teacher: The children are prepared a lot of small sticks, bundled into a bundle of 10, who tied more than one, a time of 1 minute. Student bundles stick game. Teacher: Well, time is up. How many straws do you bundle? Health: I have three bundles and 30. Teacher: ah, not bad. 3 bundles are 3 ten, which is 30, which one