小学生的数学能力是在学习和掌握最基本的数学概念的过程中形成的。因此,帮助学生正确理解和掌握数学概念,既是小学生学好数学的基础,又是形成和提高数学能力的前提。 The pupil's mathematical ability is formed in the process of learning and mastering the most basic mathematical concepts. Therefore, to help students correctly understand and master the concepts of mathematics is not only the basis for pupils to learn mathematics well, but also the prerequisite for their ability to form and improve mathematics.