比较是一切理解和思维的基础,小学数学中有许多内容既有联系又有区别。在教学中适时地、恰当地运用比较法,有助于突出教学重点,突破教学难点,防止知识的混淆,提高辨别能力。在让学生真正理解和掌握数学的知识与技能,思想与方法的同时,还可让学生学得轻松、愉快,扎实,从而有效地提高教学的时效性。 Comparison is the basis of all understanding and thinking, there are many elements of primary school mathematics both linked and different. The timely and proper use of comparative law in teaching helps to highlight the teaching focus, break through the teaching difficulties, prevent the confusion of knowledge and improve the ability to distinguish. In addition to allowing students to truly understand and master math knowledge and skills, ideas and methods, it also enables students to learn easily, happily and solidly, so as to effectively improve the timeliness of teaching.