中考英语数词讲解教案

中考英语数词讲解教案 基数词 （一）基本概念：表示数目多少的词叫基数词。 1. 1-12独立成词：one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve 2. 13-19 (+teen)：thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen 3. 20-90 (整十位数+ty)：twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 4. 21-99间的两位数，先说“十位”，再说“个位”，中间要加连字符“-” 5. 101-999之间的三位数，先说“百位”，再加and，再加末尾两位数。 6. 1000以上数，使用计数符号，每三位加以逗号，从第一个逗号起单位依次为thousand, million, billion.“万”表达为ten thousand 例：579 five hundred and seventy-nine 802 eight hundred and two 4, 352 four thousand three hundred and fifty-two 14, 615 fourteen thousand six hundred and fifteen 123, 456, 789 one hundred and twenty-three four hundred and fifty-six thousand seven hundred and eighty-nine （二）基数词用法： 1. 从句子成分上分析，基数词在句中可用作主语、宾语、表语等。 Four of them went to the factory. （主语） I want two. （宾语） My classmate is eighteen.（表语） 2. 编号的事物用基数词。 Today we are going to study Lesson Five. He lives in Room 801