一、说教材１００以内数的顺序和比较大小是九年义务教育六年制小学《数学》第二册（修订本）第三单元内容。这是学生学习了数数、数的组成和数的读、写法的基础上进行教学的。通过一张从１～１００的数字表来认识数的顺序 ,完成例７和“做一做”习题 ,例８是通过学生认识了物 First, to say that the number of textbooks within the order of 100 and the relative size of nine-year compulsory education primary school “Mathematics” Volume II (Revised) the third unit content. This is the basis for students to learn the number, number of the composition and number of reading and writing based on teaching. Through a digital table from 1 to 100 to recognize the order of number, to complete Example 7 and “do one to do” exercise, Example 8 is through students to understand the material