“导入”是小学数学课堂教学中必不可少的一个环节,时间一般在5分钟以内。小学数学教学中新课的导入,对如何创设和谐的教学氛围,有效地构建愉快的教学情境,使教学内容深深地印入学生的脑海深处,诱导学生把学习新知的压力变为探求新知的能 “Import ” is an essential part of primary school mathematics classroom teaching, the time is generally less than 5 minutes. The introduction of new courses in elementary mathematics teaching can effectively create a pleasant teaching situation on how to create a harmonious teaching atmosphere so that teaching contents can be deeply imprinted into the minds of students and induce students to change the pressure of studying new knowledge into searching for new knowledge Can