在教学“约数和倍数”这一内容时,我让学生举一组数字,说明“几是几的倍数,几是几的约数”。一位叫王普佳的女同学站起来:“老师,15能被3整除,15是3的约数……”话音没落,教室里一片哗然。我发现王普佳的脸“腾”地红了。见此情景,我马上说:“同学们别笑,每个人在学习新知识的 When teaching “divisors and multiples”, I asked the students to give us a set of figures showing how often and what the divisor is. A female student named Wang Pujia stood up: “The teacher, 15 can be divisible by 3, 15 is a divisor of 3 ...” Voice down, an uproar in the classroom. I found Wang Pu Jia's face “Teng” to the red. See this scene, I immediately said: "Students do not laugh, everyone is learning new knowledge