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《数学课程标准》指出: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。课改以来,学生的动手操作能力日益引起人们的重视,正在成为小学数学教学中一种重要的学习手段。但是我也发现:很多动手操作只是流于形式,很少引导学生从形象思维向抽象数学发展。因此,如何让操作促进和发展学生的数学思维能力,提高动手操作的有效性,是值得思考的一个问题。一、弄清操作的目的操作是一种学习方式,也是一种学习目标。操作的过程和结果要有利于揭示概
The Mathematics Curriculum Standard states that effective mathematics learning activities can not rely solely on imitation and memory, practice, autonomous exploration and cooperation and exchange, which are important ways for students to learn mathematics. Since the curriculum reform, students’ hands-on ability has drawn increasing attention day by day and is becoming an important learning method in elementary mathematics teaching. However, I also found that many hands-on exercises are mere formality and seldom lead students to develop from abstract thinking to abstract mathematics. Therefore, how to let the operation promote and develop students’ mathematical thinking ability and improve the effectiveness of hands-on operation is a question worth considering. First, to clarify the purpose of the operation Operation is a way of learning, but also a learning goal. The operation of the process and the results should be conducive to the disclosure