设计理念:课型为探究课,引导学生运用旧知探究新知,通过解决比较容易的追及问题,启发学生用算术方法和列方程方法,分别探究钟面上时针与分针第一次重叠的时刻,发现其解题规律,从而培养学生自主探究的兴趣和能力。 Design Concept: The course type is an inquiry course, which guides students to use the old knowledge to explore new knowledge. By solving relatively easy chasing problems, students are encouraged to use the arithmetic method and the column equation method to separately explore the moment when the hour hand and the minute hand overlap for the first time and find out The problem-solving rules, so as to cultivate the students to explore the interest and ability.