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教学内容:西南师大版小学数学第十册第71页的内容。教学目标:1.通过测算一年能“吃掉”多少森林,明确节约的意义和价值。2.通过实践活动,进一步巩固物体体积的测量和计算方法。3.培养应用数学知识解决问题的能力、动手能力及思维能力,体会数学与人类生活的密切联系。教学准备:1.课前收集砍伐森林、生产一次性筷子、使用一次性筷子等相关信息。2.每组一只量筒、一只量杯和10双一次性筷子。
Teaching content: Southwest Normal University primary school mathematics tenth book page 71 content. Teaching Objectives: 1. By measuring the number of “eaten” forests in a year, the significance and value of conservation should be clearly defined. 2. Through practical activities, to further consolidate the measurement of object volume and calculation methods. 3. Cultivate the ability to use mathematical knowledge to solve problems, practical ability and thinking ability, understand the close relationship between mathematics and human life. Teaching Preparation: 1. Pre-class collection of deforestation, production of disposable chopsticks, the use of disposable chopsticks and other related information. 2. Each measuring cylinder, measuring cup and 10 pairs of disposable chopsticks.