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数学活动经验对于数学活动的探究、数学思想方法的领悟、数学观念的形成等方面有着十分重要的定向和方法性作用。丰富数学活动经验是学生学好数学、提高数学素养的重要途径和基础。为此,《义务教育数学课程标准(2011年版)》在总目标中把“基本活动经验”作为“四基”目标之一明确提出。如何在小学数学课堂教学中引领学生有效积累数学活动经验,这是不少数学教师在教学实践中的共同困惑。借到巫山援教之机,以黄伟老师执教五年级下册“倍数、因数”的教学实践为例,对数学活动经验积累的话题进行对话、交流与分享。
The experience of mathematical activities plays an important role of orientation and methodology in the exploration of mathematical activities, the comprehension of mathematical thinking and the formation of mathematical concepts. Abundant experience in math activities is an important way and foundation for students to learn mathematics well and improve math literacy. To this end, “compulsory education mathematics curriculum standards (2011 edition)” in the overall goal of “basic experience” as one of the “four bases” one of the objectives clearly put forward. How to lead students to accumulate experience in mathematics activities effectively in the mathematics classroom teaching of primary schools is a common confusion of many mathematics teachers in teaching practice. With the help of Wushan aid, take the teaching practice of Huang Wei 's teaching under the fifth grade, multiples factor, as an example, dialogue, exchange and sharing on the accumulated experience of mathematics activities.