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《务教育数学教学大纲》指出：“数学教学中，发展思维能力是培养能力的核心。”培养良好的思维品质是发展思维能力的重要举措之一。有理数运算教学是培养良好思维品质的极好素材，下面结合有理数运算教学谈谈思维品质的培养。起始阶段———培养思维的严密性思维的严密性是衡?
The “Mathematics Teaching Syllabus for Business Education” points out: “In mathematics teaching, the development of thinking ability is the core of training ability.” Training good thinking quality is one of the important measures for developing thinking ability. The rational number mathematics teaching is an excellent material for cultivating good thinking quality. The combination of rational mathematics teaching and the cultivation of thinking quality is discussed below. The initial stage --- the rigor of training thinking. The rigor of thinking is the balance?