教学内容:人教版义务教育课程标准数学实验教科书一年级下册第12页。设计意图:首先通过游乐园的情境,激发学生的学习兴趣,使学生产生计算的愿望。在学习中,鼓励学生独立思考,然后组织学生探究算法,交流体会,呈现算法多样化。教学重点:让学生通过动手实践、自主探索、合作交流, Teaching content: PEP Curriculum standard mathematics experiment textbook first grade second volume page 12. Design intent: First, through the amusement park situation, to stimulate students interest in learning, so that students have the desire to calculate. In learning, to encourage students to think independently, and then organize students to explore algorithms, exchange experiences, showing the diversity of algorithms. Teaching focus: Let students through hands-on practice, independent exploration, cooperation and exchange,