数词 [语言学] numeral 序数词 ordinal number; 基数词 cardinal number
基数 [数学] cardinal number; potency; radix; base; base quota; floor; cardinality; base number; basic value; radix number 以1965年的产量为基数 taking the output of 1965 as the base; 承包基数 the base quota of a contract
Know the difference between ordinal numbers and cardinal numbers 对比基数词和序数词的不同
Know how to distinguish and use ordinal numbers and cardinal numbers 掌握基数词和序数词的用法。
Once upon a time 用在基数词前表示一个数量单位
Three hundred and forty - five 基数词写法和读法
Now look at the numbers carefully , try to find out the changing rules . please pay attention to the colorful words and letters (让他们注意观察彩色单词和字母,找出基数词变序数词的规律,允许他们用中文说。 )