“做一做”、“练一练”、“试一试”在课堂教学结构中属于巩固教学环节,它区别于一般的“课后作业练习。因此,在教学中要依据不同内容的训练要求,把握好“做一做”、“练一练”、“试一试”的教学作用。一、巩固性作用数学课的教学是以教师讲授例题的形式向学生传授数学知识的。讲授例题以后,需要通过巩固教学强化学生掌握知识的过程。因 “To do one,” “practice a practice,” “Try it” in the classroom teaching structure is to consolidate the teaching links, it is different from the general “homework exercises .Therefore, in the teaching should be based on different content training requirements , Grasp the ”doing a do“, ”practice a practice“, ”try it." First, the consolidation of the role of mathematics teaching is to teach students in the form of teaching mathematics knowledge to students. There is a need to strengthen students' mastery of knowledge by consolidating teaching