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《义务教育数学课程标准》指出:“学生应当有足够的时间和空间经历观察、实验、猜测、计算、推理、验证等活动过程。”在教学中,应不失时机地让学生在具体的问题情境中,利用已有的知识经验、方法去独立思考或合作探索,通过观察、实验、猜想、验证、类比、归纳、推理等学习活动,从中发现数学知识的规律、规则,获取新知识,求索问题的解决对策,以达到问题的最终解决,从而实现知识的“再创造”。
The standard of compulsory education mathematics curriculum states: “Students should have enough time and space to go through such activities as observation, experiment, speculation, calculation, reasoning and verification.” In teaching, students should lose no time in making concrete questions Situation, the use of existing knowledge and experience, methods to independent thinking or cooperation to explore, through observation, experiment, guess, verification, analogy, induction, reasoning and other learning activities, which found that mathematical rules of mathematics, rules, access to new knowledge, The solution of the problem in order to achieve the ultimate solution to the problem, in order to achieve knowledge “re-create ”.