教学内容《义务教育课程标准实验教科书数学》(人教版)四年级下册第117页。教学目标知识与技能:通过探究发现关于一条线段上两端都植树的问题的规律。过程与方法:通过观察、猜测、实验、推理等活动,使学生经历和体验“复杂问题简单化”的解题策略和方法。 Teaching content “compulsory education curriculum standard experimental textbook mathematics” (PEP) fourth grade volume of the first 117 pages. Teaching Objectives Knowledge and Skills: Discover the law about the problem of planting trees on both ends of a line segment. Process and methods: Through the observation, speculation, experiments, reasoning and other activities, so that students experience and experience “complex problem simplification ” problem-solving strategies and methods.