《全日制义务教育数学课程标准》(实验稿)强调人人学有价值的数学,学生的数学学习内容应当是现实的、有意义的、富有挑战性。教师必须精心创设课堂教学情景,找准教学切入点,创设出一种能使学生积极思维的环境。让学生在自觉主动的参与过程中,使认识过程变为再创造过程。教育家 “Full-time Compulsory Education Mathematics Curriculum Standards” (experimental draft) emphasizes that everyone learns valuable mathematics, and students’ mathematics learning content should be realistic, meaningful, and challenging. Teachers must meticulously create classroom teaching scenarios, identify teaching entry points, and create an environment that enables students to think positively. In the process of consciously and actively participating in the student’s participation, the process of understanding becomes a re-creation process. Educators