《最小公倍数的实际应用》是人教版五年级下《分数的意义和性质》中的内容。王老师从《课标》、教材和学生学情中分析,加之自我思考,从而设计了这篇教学设计。在设计中情境、问题,以及学生交流的问题和练习等,无不体现着以学定教、贴近学生的思想。 The “practical application of the least common multiple” is the PEP fifth grader “meaning and nature of the score” in the content. Wang from the “class standard”, teaching materials and student learning analysis, combined with self-thinking, which designed the teaching design. In the design of the situation, problems, and student exchange problems and exercises, all reflect the learning to teach, close to the students thought.