小学生年龄小,活泼好动,喜欢边动手边动脑,适合以具体形象思维在操作活动中学习。因此,小学数学教材中很多新知都是以操作活动的方式组织学生探究的。这里所指的操作活动是指先有外显行为后有思维层面的操作活动,或者两者并行。不管哪一种操作,都离不开直观的操作材料。但是,这些可观可摸可比的直观材料在课堂上对小朋友的吸引力很大,稍不注意就会使 Pupils are young, lively and active, like moving their brains, suitable for the specific image of thinking in the operating activities of learning. Therefore, many new primary school mathematics textbooks are organized by the activities of students to explore ways. Here refers to the operating activities refers to the first explicit behavior after the operation of the thinking level, or both. No matter what kind of operation, are inseparable from the intuitive operation of materials. However, these impressive, visually appealing materials are appealing to children in the classroom, with little care