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How to cultivate students' analogical ability in the process of understanding unit of volume
Through experiments, students can experience activities such as guessing and verifying, know what volume is, and know the commonly used unit of volume such as cubic centimeter, cubic decimeter and cubic meter. A preliminary estimate of the volume of an object. Cultivate students' ability of observation, judgment and generalization, as well as the concept of space. Through learning activities such as inquiry, analogy and verification, students can strengthen the concept of space and develop their thinking in specific problem situations.

Volume and unit of volume is an important concept teaching in the fifth grade of Qingdao Edition, a standard experimental textbook for compulsory education. He is a great development and leap of students' space concept. This content is abstract and difficult to understand. Based on the students' existing knowledge base and cognitive thinking characteristics, I pay great attention to the combination of teaching material content and life practice, hands-on operation and experimental observation, and strive to cultivate students' ability to solve practical problems and innovative spirit with mathematical consciousness.