近年来,随着新课改的实施,教师在实际教学中更加注重学生动手能力的培养,这一点在数学教学中尤其受到重视。对小学生而言,培养动手操作能力不仅能激发他们的学习热情和兴趣,而且动手操作能力能使复杂问题简单化、抽象问题具体化,有助于开发学生发散性思维,培养创新能力。对于一个儿童来讲,获取外界信息最重要的途径便是动手。这一动作看似简单,却是他们和思维取得联 In recent years, with the implementation of the new curriculum reform, teachers in the actual teaching pay more attention to the training of students ability, which is particularly valued in mathematics teaching. For primary students, cultivating practical ability can not only stimulate their enthusiasm and interest in learning, but also can make the complex problems simple and abstraction specific, and help to develop students’ divergent thinking and develop innovative ability. For a child, the most important way to get outside information is to do it. This action seems simple, but it is they get together and thinking