小学生估算意识现状的调查研究

在一味要求精确答案的教学要求下，小学生已习惯了精确计算.这就造成绝大多数的小学生缺乏估算意识，解决实际问题的估算能力不足。本文通过探究新课程背景下小学生估算意识薄弱的现状及原因，针对估算意识和估算能力的培养，提出自己的建议：1、深挖教材，寻找估算资源；2、创设激发学生估算兴趣的情境；3、教给学生基本的枯算方法，培养学生的估算技能；4.精心设计估算练习，让学生自主选择计算策略；5、从发挥学生解题中自我监控能力的角度，强化估算。
Abstract
In insisting on their precise answer the request of teaching, students have been accustomed to a precise calculation. This has resulted in the vast majority of students lack awareness of estimates, Seldom to applicate estimation to solve practical problems. In this paper, by exploring the current situation and reasons of the students’ poor ability of computational estimation under the new curriculum, I will put forward my own proposals for training of the consciousness and ability of computational estimation:1、study the textbook and search the estimated resources;2、Create a situation which can stimulate students interest in estimating easily;3、teach students the basic calculation method, improve the estimation skills;4、design estimation exercises to enable students to choose computational strategies by themselves ;5、strengthen the ability of computational estimation by way of raising self-monitoring ability in problem solving.

关键词: 估算； 估算能力； 估算意识； 估算教学

Keywords: Computational estimation；The ability of computational estimation； The consciousness of computational estimation；The teaching of computational estimation

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