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数学活动课内容的选取是数学活动课实施的重要环节,我们不应只局限于教科书上所规定的活动内容,要全方位,多角度地组织材料,让活动的内容既丰富多彩又实用有效。笔者在实际教学中总结构建了以下四种课堂活动模式。一、“动手操作实践课”这种活动课以学生实际动手操作、制作为主,培养学生动手实践的能力,同时在操作过程中进行总结、概括、延伸和拓展。如“制作火车车厢的模型”、“莫比乌斯带”、“五角星的制作”、
The selection of the content of mathematics activities is an important part of the implementation of mathematics activities. We should not only confine ourselves to the contents of activities prescribed in the textbooks, but also organize the materials comprehensively and multi-anglely so that the contents of the activities will be colorful and practical. The author summarizes the actual teaching to build the following four classroom activity mode. First, “hands-on practice lesson ” This activity class to students actually hands-on operation, production-based, training students ability to practice, at the same time in the operation process summary, generalization, extension and expansion. Such as “model of train cars ”, “Mobius band ”, “five-pointed star production ”,