“培养学生初步的逻辑思维能力”是九年义务教育小学数学教学大纲规定的教学任务和教育目标。而指导学生学习和掌握常用的逻辑思维方法,是培养和提高学生的逻辑思维能力,使学生乐于思考并善于思考的关键。在小学数学教学中要启发学生掌握如下一些常用的逻辑思 “Cultivating Students’ Initial Logical Thinking Ability ” is the teaching task and education goal stipulated in the mathematics syllabus for nine-year compulsory education primary school. To guide students to learn and master the commonly used methods of logical thinking is the key to cultivate and improve students’ logical thinking ability and make students willing to think and think well. In primary school mathematics teaching to inspire students to master some of the following commonly used logical thinking