初中数词教案(共4页)

1、 姓名钟玉婵学生姓名 填写时间2015-1-30学科英语年级教材版本阶段观察期：第（）周 维护期课时统计第（）课时共（ ）课时课题名称数词上课时间教学过程 数词一、基数词： 序数词： 2、 序数词的构成一般构成：在基数词的结尾加th，例如sixth 、seventh等；整十的ty变为tie再加th，例如twentieth。特殊情况：first 、second、 third、fifth、twelfth、 eighth 、ninth 、3、 用法 1）表示分数分子基数词，分母序数词，分子大于一，分母加s。例如：1 / 3 one third 2 / 3 two thirds注：1 / 2 a ha

2、lf 1 / 4 a quarter ( 3 / 4 three quarters )练习：（1） 1 / 5 1 / 8 2 / 4 4 / 9 1 / 12 2 / 3 （2） of the land in that district covered with trees and grass.A. Two fifths;is B.Two fifth;are C.Two fifth;is D.Two fifths;are About of the workers in the factory born in the 1970s.A.two-thirds;are B.two-thirds;is

3、 C.two-thirds;was D.two-thirds;were of the warm water already been used up.A. Two-thirds;has B.Two-third;has C.Two-thirds;have D.Two-third;have总结： 2）in the + 年份复数 表示在.世纪.年代 in the 1860s在19世纪60年代区别：in 1860 练习：在20世纪50年代 in the 1780s 3）in + ones +整十的复数 表示在某人.多岁时例如：in my twenties表示在某人二十多岁时练习：在爸爸40多岁时 in

4、 Toms thirties 4）表示时间 几点过几分，分钟 + past +小时 例如：five past seven / ten past nine / three past eight 几点差几分，分钟 + to +小时 例如：five to seven / ten to nine / three past eight 规律： 练习：5：10 7：20 4：50 6：53 5）与数量单位和形容词组成复合定语 例如：a 200-meter-long bridge 练习：一个16岁的男孩 a 100-meter-high building 6）hundred 、thousand 、milli

5、on 、billion前有具体数字时，不加s，例如three hundred / thousand / million / billion students; 前无具体数字时，要加s，而且后面要加of，例如 hundreds / thousands / millions / billions of students。练习：（1）More than two years ago, people knew little about the universe. A. thousands B.thousand C.thousand of D.thousands of（2） The farmer keep

6、s cows on his farm.A.hundred B.hundred of C.hundreds D.hundreds of 7）表示倍数 once / twice / three times. + as + 形容词 + as This desk is twice as big as that one. once / twice / three times. + 形容词比较级 + than This desk is twice bigger than that one.练习：1.我的年龄比你大两倍。 2.我的年龄是你的两倍。 8）基数词放在名词后表示顺序 例如：Page three =

7、 the third page练习：Now, everybody, please turn to Page and look at the picture. A.Fifth;five B.Five;fifth C.Fifth;fifth D.Five;five 课后练习1.Each year, _ fished are killed by the polluted water and many people are made sick by the polluted air.A. millions of B. million of C. two millions of D. two milli

8、ons2.The building has _ floors. They live on the _ floor.A. ninth, last B. nine, nine C. nine, ninth D. nine , tenth3.Shakespeare was born in _.A. 1660sB. 1660s C. the 1660D. the 1660s4.He became a super star _.A. in his thirtyB. in his thirtiesC. at his thirtyD. at his thirties5.The government of C

9、hongqing is building _ cheap and good houses for the people. A. thousandB. thousandsC. thousand ofD. thousands of6.I got a beautiful bike on _ birthday. I like it very much.A. fifteenthB. fifteenC. my fifteenD. my fifteenth7._ people went to the concert which was held in Peoples Square _ the night of May Day.A. Thousand of; inB. Thousand; onC. Many thousand; inD. Thousands of; on8.About _ of the workers in the factory were born in the _.A. two-thirds; 1970B. two-thirds; 1970sC. two-third; 1970D. two-third; 1970s9.Nine _ pounds a week?A. hundred of B. hundreds of C. hundreds D. Hundred 10