新课程强调学生是课堂教学的中心,学生的活动应贯穿在教学的每一个环节。学生课前三分钟活动,充分体现了对学生主体地位的重视,让学生有更多的展示自己、发展自己和完善自己的机会。从某种程度上讲,培养学生的数学语言表达能力和逻辑思维能力同等重要,课堂上固然可以培养,但是抓住课前三分钟的有效时 The new curriculum emphasizes that students are the center of classroom teaching. The activities of students should run through every aspect of teaching. Students three minutes before the class activities, fully embodies the emphasis on the dominant position of students, so that students have more opportunities to show themselves, develop themselves and improve their own. To some extent, it is equally important to cultivate students’ mathematical language ability and logical thinking ability. Although it is possible to train in class,