随着课程改革的深入,使我们对数学有了新的认识:数学不是脱离实际、抽象的计算与公式的套用,而是探索生活中的各种关系、建构模型、总结规律的课程体系。所以,我们创造条件,引导学生从生活中挖掘数学问题并带进课堂,充分应用于课堂教学。这样会起到化抽象为具体,化难为易的功效。周玉仁教授曾 With the deepening of curriculum reform, we have a new understanding of mathematics: Mathematics is not out of practice, abstract calculations and formulas, but to explore the various relationships in life, building models, summarizing the regular curriculum system. Therefore, we create the conditions to guide students to dig the mathematics problems from their daily life into the classroom and make them fully used in classroom teaching. This will play the role of abstraction for the specific, difficult for the easy effect. Professor Zhou Yuren had