《数学课程标准》指出:数学教学要紧密联系学生的实际,从学生的生活经验和已有知识出发,创设各种情境,为学生提供数学活动的机会,激发对数学的兴趣和学好数学的愿望。在课堂教学中,创设各种情境,有助于激发学生的学习兴趣,使学生的主动性、创造性得以发挥。 Mathematical Curriculum Standards states that mathematics teaching should be closely linked with students ’actualities, starting from students’ life experiences and existing knowledge, creating situations, providing students with opportunities for math activities, stimulating interest in math and learning maths . In classroom teaching, creating a variety of situations, help to stimulate students ’interest in learning, so that students’ initiative and creativity can be played.