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有这样一句格言:“我听见了就忘记了,我看见了就记住了,我做过了就理解了。”可见,动手操作对学生学好数学的帮助有多么的大。随着教师教学观念的日益更新,老师们也都在教学中重视学生的动手操作了。每当教学前需要学生准备动手操作的材料时,老师们为了提高课堂教学的效率,为了学生的发展,都愿意和学生一起准备或者帮助学生准备好操作的材料。但这却要花费老师不少的精力和时间,有时为了给每位学生准备一节课的操作材料,
There is such aphorism: “I forgot to hear, I saw it to remember, I have done it to understand. ” Visible, hands-on operation of students how to learn math how much help. As teachers ’teaching concepts are updated day by day, teachers also attach importance to students’ hands-on teaching in teaching. Whenever students need to prepare hands-on materials before teaching, the teachers are willing to prepare or help the students to prepare the materials for the students’ development in order to improve the efficiency of classroom teaching. However, it takes a lot of energy and time for the teacher. Sometimes, in order to prepare a lesson for each student,