在素质教育的大背景下,教师要更新观念,转变传统教学中形成的思维定式,改变教师在教学中的角色和作用,时刻注意激活学生的发散思维,鼓励学生善于发现问题并敢于质疑,在思考和质疑中培养学生解决问题的实践能力,从而培养学生的数学素养,提高课堂效率。 Under the background of quality education, teachers should update their concepts, change the thinking style formed in traditional teaching, change the role and role of teachers in teaching, and at all times activate students’ divergent thinking, encourage students to be good at identifying problems and daring to question them. Thinking and questioning in cultivating students ’practical ability to solve problems so as to cultivate students’ mathematical literacy and improve classroom efficiency.