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创设问题情境是《数学课程标准》中的一个新亮点,它使枯燥、抽象的数学知识更贴近学生的社会生活,符合学生的认知经验,使学生在生动有趣的情境中获得基本的数学知识和技能,体现数学学习的价值。有效的问题情境是学生提出问题、思考问题、探究知识的智力背景,它能加速吸引学生的注意,激活学生的思维,促使学生以饱满的热情投入到探究数学、理解数学、应用数学的活动中。下面结合自己教研实践谈几种创设有效问题情境的模式。
Creating a problematic situation is a new bright spot in Mathematical Curriculum Standard. It makes the boring and abstract mathematics closer to the social life of students and meets the students’ cognitive experience so that students can acquire basic mathematical knowledge in vivid and interesting situations And skills, reflecting the value of mathematical learning. Effective problem situations are the intellectual backgrounds in which students ask questions, think questions and explore knowledge. It can speed up the students’ attention, activate the thinking of students and encourage students to devote themselves full time to exploring mathematics, understanding mathematics and applying mathematics activities . The following combination of teaching and research practice to talk about several ways to create effective problem situations.