转化方法是运用事物运动、变化及事物之间相互联系的观点,把未知变为已知、把难变为易、把复杂变为简单、把陌生转化为熟悉的思维方法。它是研究和解决数学问题的有效思考方法,能促使学生既长知识又长智慧,在小学数学教学中被广泛应用。 Transformation method is to use the movement of things, changes and the interrelationships between things point of view, the unknown into known, the difficult change into easy, complex into simple, unfamiliar into a familiar way of thinking. It is an effective way to study and solve math problems. It can make students have both long-term and long-term wisdom and are widely used in elementary mathematics teaching.