一直以来,课堂练习都是课堂教学环节中的一个重要组成部分,是教师了解学情的主要途径,更是提高学生技能、发展智力、挖掘创新潜能的重要手段,可以说,高质量的课堂教学离不开高质量的练习做基础.然而聚焦小学数学课堂练习,不难发现在习题的设计上存在着按部就班、一刀切、练习形式单一等问题,使得课堂练习在不断的重复和大量的机械性中事倍功 All along, the classroom practice is an important part of the classroom teaching, is the main way for teachers to understand the situation, but also to improve student skills, development of intelligence, mining an important means of innovation potential, it can be said that high-quality classroom teaching Can not do without high-quality practice to do the foundation.However, focusing on the primary school mathematics classroom practice, not difficult to find in the exercise of the design there are step by step, across the board, the form of a single practice and other issues, making classroom practice in a constant repetition and a lot of mechanical Things more times