《新课程标准》要求:有效的数学学习活动不能单纯依赖模仿与记忆,动手实践、自主探索与合作交流是学生学习数学的重要方式。于是,探究性学习逐渐成为广大师生共同选择的一种重要的学习方式,这就要求教师创造性开发教材,摒弃固定的模式,打破条条框框,使学生在 The new curriculum standard requires that effective mathematics learning activities can not rely solely on imitation and memory, and practice, autonomous exploration and cooperation and exchange are important ways for students to learn mathematics. As a result, inquiry-based learning has gradually become an important way of learning commonly chosen by teachers and students, which requires teachers to creatively develop teaching materials, abandon the fixed mode, break the rules and regulations,