在小学整个阶段,数学是一门重要的基础性学科,具有较强的逻辑性。数的运算是小学数学教学不可或缺的重要内容,扮演着关键性角色。教师要从不同角度出发,以数学估算内容为基点,优化设计教学方案,注重理论与实践的融合。在提高课堂教学效率与质量的同时,培养学生的数学素养,强化他们的估算意识,提高他们的运算能力。 Throughout the primary school, mathematics is an important basic discipline with strong logic. The number of operations is an indispensable part of primary mathematics teaching content, play a key role. Teachers from different angles, based on the mathematical estimation of content, optimize the design of teaching programs, focusing on the integration of theory and practice. While improving the efficiency and quality of classroom teaching, we should cultivate students’ mathematical literacy, strengthen their estimation awareness and improve their computing power.