传统的数学课堂,很多教师都热衷于教师问学生答的教学方式。这种“说数学”的教学方式不利于学生的思维发展,更谈不上对学生创新精神、实践能力的培养。而在“做中学,学中做”的新课程理念指导下的教学设计,则是需要教师从“做中学,学中做”的角度 In traditional math classes, many teachers are keen on asking teachers how to teach. This “teaching mathematics” is not conducive to the development of students thinking, let alone to students’ innovative spirit, practical ability training. However, in the teaching design under the guidance of the new curriculum concept of “doing middle school and learning in school”, it is necessary for teachers to learn from “doing middle school and learning to do”