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苏霍姆林斯基说过:“手和脑之间有着千丝万缕的联系,手使脑得到发展,使它更明智;脑使手得到发展,使它变成思维的工具和镜子。”小学数学是一门基础学科,对培养学生的创新精神和实践能力至关重要。课改实施以来,学生操作越来越受到人们的重视,并逐渐成为小学数学教学中的一种重要的学习手段。数学课堂活动中的动手操作是一种对实物、表格、图形或符号表达出来的数学观念进行的活动,它可以有效地引导学生借助操作活动实
Suhomlinski said: “There are inextricably links between the hand and the brain, and the hand develops the brain to make it more sensible. The brain develops its hand so that it becomes a tool and a mirror for thinking . ”Primary math is a fundamental discipline that is crucial to developing students' creativity and practical ability. Since the implementation of curriculum reform, students have paid more and more attention to the operation of students, and have gradually become an important learning method in mathematics teaching in primary schools. The hands-on operation in the mathematics classroom activity is a kind of activity that carries out the mathematical concepts expressed in kind, form, figure or symbol, which can effectively guide students to use the activities