一、在理解的前提下熟悉数位顺序表万以内数读写的教字,关键之一是使学生理解并熟悉数位顺序表。由于许多教师教学时只要求学生自右到左“个、十、百、千、万”熟记数位顺序,却忽视了从某一给定的数位起从左向右(与读写一致的方向)的数位顺序的教学,以致学生纵然将读、写数的法则掌握了,也不能较迅速地读数和写数。例如读2314,学生确定了最高位后,若 First, under the premise of understanding Familiar with the digital sequence table within the number of literacy reading and writing, one of the key is to enable students to understand and familiar with the digital sequence table. Since many teachers only ask students to memorize the order of numbers from right to left, one to ten, one hundred, one thousand, and thousands, from the left to the right from a given digit Direction) digit order of teaching, so that even if the students master the laws of reading and writing, nor faster reading and writing. For example, reading 2314, after students determine the highest bit, if