“练习”是小学数学课堂教学中一个不可或缺的环节,是学生掌握知识、形成技能、发展智力、养成良好学习习惯的重要手段,是检查教学效果的有效途径,也是教师矫正教学路径的重要依据。众所周知,在一节课40分钟的时间内,练习占去10～15分钟的时间。没有练习的数学课不能称之为数学课。练习可以使学生检查学习效果,形成数学技能;发展数学思维,激发学习情趣;渗透思想方法,提高学生的数学素养。一我市小学数学课堂练习存在的情况 “Practice ” is an indispensable link in primary school mathematics classroom teaching. It is an important means for students to master knowledge, form skills, develop intelligence and develop good study habits. It is also an effective way to check the teaching effect and is also the teacher ’s correct teaching An important basis for the path. As we all know, in a class 40 minutes of time, practice accounted for 10 to 15 minutes. Math classes that are not practiced can not be called math classes. Practice can make students check the learning effect, the formation of mathematical skills; development of mathematical thinking, stimulate learning fun; infiltration of ideas and methods to improve students’ mathematical quality. A city primary school mathematics classroom practice exists