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新课程改革把“以学生为发展为本”作为基本的理念,数学课堂的教学设计应该特别注重发挥学生的主体作用。要求教师在教学设计中创设合理的教学环节,能够改变以往的传统,激发学生的学习热情和注意力,引导他们主动参与,探索知识,通过动手、动脑、自主学习中理解、并掌握新的知识。课堂教学中,教师的主导作用在于善于启发诱导,变教师的“预设”教育为学生的“生成”学习。为此,在诱导学生提出问题与解决问题中,教师务必要精心设计,善用“预设数学问题”引发“生成数学问
The new curriculum reform regards ”developing students as the basis“ as the basic idea. The teaching design of mathematics classroom should pay special attention to giving play to the main role of students. Teachers are required to create reasonable teaching links in teaching design, to change their traditional traditions, to arouse students’ enthusiasm for learning and attention, to guide them to take the initiative to participate in, to explore knowledge, to understand and acquire new knowledge through hands-on, brain-based and autonomous learning . In classroom teaching, the leading role of teachers lies in that they are good at enlightening and inducing teachers to change their ”default “ education into students ”generating “ learning. To this end, in inducing students to ask questions and solve problems, teachers must carefully design, make good use of ”default mathematical problems “ trigger ”to generate mathematical questions