著名教育家乌申斯基认为:“比较是一切理解和思维的基础,我们正是通过比较来了解世界上的一切的。”小学数学中有许多内容既有联系又有区别,在教学中充分运用比较的方法,有助于突出教学重点,突破教学难点,使学生容易接受新知识,防止知识的混淆,提高辨别能力,从而扎实地掌握数学知识,发展逻辑思维能力。 Ussinghenski, a famous educator, said: “Comparisons are the basis of all understanding and thinking. It is through comparison that we understand everything in the world.” "There are many elements of elementary mathematics that have both connections and differences in teaching Make full use of comparative methods, help highlight the teaching focus, break through the teaching difficulties, make students easy to accept new knowledge, to prevent the confusion of knowledge, improve the ability to distinguish, so that a solid grasp of mathematical knowledge, the development of logical thinking ability.