一、问题的提出 培养学生初步的逻辑思维能力是义务教育小学数学教学大纲所提出的教学目的之一。 在实际教学中,学生逻辑思维能力培养的效益低,其重要原因在于思维活动中语言的工具功能未能充分发挥。教学中多是由教师讲解问题,学生缺少语言实践的机会,或是教师对学生数学 First, the issue raised Students develop a preliminary logical thinking ability is compulsory primary school mathematics syllabus proposed by the teaching purposes. In practical teaching, the low efficiency of cultivating students' logical thinking ability is mainly due to the fact that the function of the language tools in thinking activities has not been brought into full play. Teaching is mostly by teachers to explain the problem, the lack of language practice opportunities for students, or teachers of students in mathematics