《3的倍数的特征》是人教版第八册的教学内容,对这节课的教学设计,有从2、5的倍数的特征中引入的、有让学生通过摆火柴棒研究的,其中不乏好点子好设计。但是,大部分教师都要抛出一个问题让学生思考:“火柴棒的总根数跟3的倍数有什么联系?”或者干脆问“3的倍数和数位上的数字的和有什么关系?”总觉得教师对学生的引导过于直接,对于五年级的学生,经过这样 “Characteristics of multiples of 3” is the teaching content of the eighth edition of the PEP. The instructional design of this lesson has been introduced from the multiple of 2,5 and has students study it by putting a match stick. No shortage of good ideas good design. However, most teachers have to throw a question for students to think: “What is the total number of match sticks compared to the multiple of 3?” Or simply ask “What is the sum of the multiple of 3 and the number of digits? Relationship? ”Teachers always feel that the guidance of students is too direct, for the fifth grade students, through this