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一教师教学“整数和小数数位顺序表”时,先把事先写好的数位顺序表贴在黑板上,要学生着重看小数部分的数位顺序,并把它们读几遍。然后,大量练习这类题目:小数点右面第三位是什么数位?万分位在小数点右面第几位?等等。
When a teacher teaches the “Table of Integer and Decimal Entries,” you first attach the pre-written sequence of digits to the blackboard and ask the student to look at the order of the digits of the fraction and read it several times. Then, a large number of practice such topics: What is the third digit to the right of the decimal point?