有效的数学学习活动不能单纯地依赖模仿与记忆,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。对于具体形象思维占优势的小学生来说,听过了,易就忘了;看过了,能明白了;做过了,就理解了。他们最深刻的体验莫过于自己双手实践过的东西。因此,要让学生动手做数学,而不是用耳朵听数学。特别是对低年级学生的教学,年龄小,好动,好奇心强,动手操作容易吸引学生的参与,让学 Effective mathematical learning activities can not simply rely on imitation and memory, hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics. For the specific image of the dominant thinking of primary school students, heard, easy to forget; seen, can understand; done, we understand. Their deepest experience is more than what their hands have practiced. Therefore, let students do mathematics, rather than listening to mathematics with their ears. Especially for the lower grades of teaching, young, active, curious, easy to attract students to participate in the operation, let the school