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估算,贯穿小学阶段数学学习的全过程,是一种重要的数学能力,在学生的日常学习或是生活中都有着不可忽视的作用。然而在实际教学中,许多教师对估算的理解存在很大的差异,对估算的意义、价值认识不清,导致对学生进行这类能力的培养不够。那么小学数学教学中如何进行估算教学,提高学生的估算能力呢?文章以苏教版教材教学实践谈几点想法。
It is estimated that the whole process of mathematics learning throughout the elementary school is an important mathematical ability that can not be neglected in the students’ daily study or daily life. However, in actual teaching, many teachers have great differences in their understanding of the assessment. They do not understand the significance and value of the assessment, resulting in insufficient training of students in such ability. So how to carry on the estimation teaching in elementary mathematics teaching, improve the student’s estimation ability? The article discusses some ideas about the teaching material teaching practice of the Soviet version.