捷克教育家夸美纽斯在《大教学论》中写道:“课堂是有生命的物质空间,是学生充满生机的思维领域.学校的课堂教学,主要目的在于促进学生思维发展,提高学生的数学思维能力.”在教学中,我们应当让学生的思维活跃起来.我们必须关注学生主体性的充分发挥,相信学生的创造能力.把课堂 Comenius, a Czech educator, wrote in The Great Theory of Teaching: “Classroom is a living material space and a field of students full of vitality. The main purpose of classroom teaching in schools is to promote the development of students ’thinking and improve students’ Mathematical thinking ability. ”In teaching, we should make the student’s thinking active.We must pay attention to the full play of the students’ subjectivity, believe in the creative ability of the students.