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新课程改革轰轰烈烈地在全国兴起,确实给学生学习数学带来了新的天地。数学教学提倡以“问题情境—建立模型—解释运用—拓展反思”这样四步为基本的教学思路,使学生经历数学的形成过程和数学的再创造过程,同时也使学生的探究能力得以发展,思维能力得以提高,创新能力得以培养。笔者听过也上过不少课,为了使学生经历知识的形成过程,往往都让学生进行实验操作。有些课过后,我不禁反思如此操作为哪般?给学生带来了什么好处?真的使学生自主建构了知识吗?能使学生对知识掌握得更牢固吗?笔者在多次实验后发现教师在组织学生操作之后,使学
The new curriculum reform has been vigorously launched in the whole country, and indeed it has brought a new world to students in learning mathematics. The teaching of mathematics advocates four steps as the basic teaching ideas such as “problem situation - establishing model - explaining use - developing reflection”, enabling students to go through the process of mathematics formation and mathematics re-creation, and also enable students to explore Development, thinking ability can be improved, innovative ability can be cultivated. I have also heard a lot of lessons, in order to enable students to experience the formation of knowledge, often allow students to experiment. After some classes, I can not help but reflect on the so-so operation for what? To students what benefits? Does the students autonomously construct the knowledge? Can make the students grasp the knowledge more firmly? The author after many experiments found that teachers After organizing students to operate, make learn