学习素材是学生有效参与学习活动、获取数学知识、积累活动经验、发展数学能力的重要载体。教学实践中,广大教师应在理解教材内容、掌握学生实际的基础上,因时、因地、因人,以教材为载体,从静态的素材中挖掘动态的资源,使学生在生动、鲜活的学习活动中,掌握数学知识、发展数学能力、感悟数学的魅力。 Learning material is an important carrier for students to effectively participate in learning activities, acquire mathematical knowledge, accumulate activity experience, and develop mathematics abilities. Teaching practice, the majority of teachers should understand the content of teaching materials, students grasp the actual basis, due to local time, because of people, teaching materials as a carrier, from dynamic sources of static material mining, so that students lively and fresh Learning activities, grasp the mathematical knowledge, development of mathematical ability, perception of the charm of mathematics.