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1 注重情境创设,问题得当《数学课程标准》(以下简称《标准》)指出:“数学教学内容应当是现实的、有意义的、富有挑战性的”、“从学生实际出发,创设有助于学生自主学习的问题情境,引导学生通过实践、思考、探索、交流,获得知识,形成技能,发展思维,学会学习”.因此,数学教学应注重数学情境的创设,数学情境创设通常有问题情境的创设和为解决问题而设计的思维情境的创设.在这
1 Focusing on the creation of situations, the problematic “Mathematics Curriculum Standards” (hereinafter referred to as the “Standards”) points out that: “The content of mathematics teaching should be realistic, meaningful and challenging” and “start from the student’s actual situation. Help problem-solving situations that help students learn independently, guide students through practice, thinking, exploration, communication, gain knowledge, form skills, develop thinking, and learn to learn ". Therefore, mathematics teaching should focus on the creation of mathematical situations. Mathematical situations are often created. The creation of problematic situations and the creation of thinking situations designed to solve problems.