数学知识浩瀚无边,而蕴涵在数学问题中的数学思想方法是永恒的,它是数学的精髓,是解决问题的制胜法宝.新教材七年级数学中蕴含了许多十分经典的数学思想,这些数学思想在学生今后漫长的数学学习中将起到十分重要的奠基作用.本文就有理数内容里的几种数学思想作一简单的归纳介绍, Mathematical knowledge is immeasurably boundless, and mathematical methods contained in mathematical problems are eternal, it is the essence of mathematics, is a magic weapon to solve the problem.New teaching materials in seventh grade mathematics contains many very classic mathematical ideas, these mathematical ideas Which will play a very important foundation role in the long maths learning of students in the future.This paper makes a brief introduction of several mathematical ideas in rational numbers,