引导·发现·探索——我教“工程应用题”秦皇岛英桥学校鹿世钦工程应用题以整数应用题为基础，是分数应用题的发展，是相遇应用题的变形。因此，在教学时，我从整数应用题（求共同工作所需时间）的解答为起点，设计一系列问题，引导学生一步步由旧知逐步探索新知，取得了... Guide · Discover · Explore - I teach “engineering application questions” Qinhuangdao British Bridge School Lushi Qin engineering application questions based on integer application questions, is the development of fractional application questions, is the encounter application of the deformation. Therefore, in teaching, I started with a solution to the integer application problem (time required to work together), designed a series of questions and guided the students to gradually explore the new knowledge from the old knowledge step by step, and achieved ...