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1 三节课堂实录的呈现《普通高中数学课程标准(实验)》(以下简称《课标》)指出:数学教学,要紧密联系学生的实际和生活环境,从学生的经验和已有知识出发,创设生动有趣,有助于学生自主学习、合作交流的问题情境,引导学生开展观察、操作、猜测、验证、归纳、推理、交流、反思等活动,使学生通过数学活动,获得基本的数学知识和技能,学会从数学的角度去观察事物、思考问题,进
The presentation of the 1st three-year classroom record “Ordinary High School Mathematics Curriculum Standards (Experiment)” (hereinafter referred to as the “course standard”) pointed out that mathematics teaching should closely link with the students’ actual and living environment, and create a basis from the students’ experience and existing knowledge. Vivid and interesting, it helps students to learn, cooperate and communicate problem situations, guide students to carry out activities such as observation, operation, guessing, verification, induction, reasoning, communication, reflection, etc., so that students can acquire basic mathematical knowledge and skills through mathematics activities. Learn to observe things from the perspective of mathematics