兴趣是人类特有的一种心理倾向,是学习的内在动力,它是求知的向导,是成功的先兆。教师的教学能否获得丰硕成果,教学效果能否提高,关键在于激发和培养学生的学习兴趣。因此,在数学教学中,要以学生为主体,点燃学生的学 Interest is a kind of psychological tendency peculiar to human being, which is the inner driving force of learning. It is the guide for seeking knowledge and is the harbinger of success. Whether the teaching of teachers can achieve fruitful results or whether the teaching effect can be improved is the key to stimulate and cultivate students’ interest in learning. Therefore, in mathematics teaching, it is necessary to regard students as the main body and ignite students’ learning