小學(xué)英語數(shù)詞專題講解教案

1、小學(xué)英語數(shù)詞專題講解教案數(shù)詞（一）(一)基數(shù)詞（表示幾）：表示數(shù)目多少的詞叫基數(shù)詞1、112的基數(shù)詞是獨立的單詞， 即：one，two，three，four，five，six，seven，eight，nine，ten，eleven，twelve。2、1319的基數(shù)詞以-teen結(jié)尾，但13，15，18較特殊， 13thirteen 15fifteen 18eighteen。3、2090的整十位均以-ty結(jié)尾。但20，30，40，50，80較特殊， 20twenty， 30thirty， 40forty ，50fifty ，80eighty。4、 十位數(shù)與個位數(shù)之間要加連字符號“-”， 如：28

2、 twenty-eight，96 ninety-six。5、 百位和十位(若無十位則和個位)之間加and， 如：148one hundred and forty-eight ，406four hundred and six。6、 hundred(百)，thousand(千)，等前面即使有具體的數(shù)詞，也不能在它們的后面加s。 如：600six hundred，專項練習(xí)：一、請寫出以下基數(shù)詞。12_ 14_ 18_ 19_ 21_ 25_ 37_ 58_ 88_ 700_ 二、根據(jù)句意或中文提示寫出合適的英語數(shù)字。（不能用阿拉伯?dāng)?shù)字）1. There are _ days in a week.2.

3、 There are _ or _ days in a year.3. There are _ or _ days in February.4. There are _days in August.5. There are _ minutes in an hour.6. There are _ months in a year.7. There are _(數(shù)百個) students in the school.8. There are _(數(shù)千個) people in the square.(二)序數(shù)詞由基數(shù)詞轉(zhuǎn)變而來，表示“這是第幾個”，表示先后順序的數(shù)詞叫序數(shù)詞1. 口訣巧記基數(shù)詞變序數(shù)

4、詞：“一、二、三，特殊記， （第一first 第二second第三third）八去“t”，九去“e”， （eighteighth nineninth）“ve”要用“f”替， （fivefifth，twelvetwelfth）見y變成i和e，詞尾加上th （twentytwentieth，fortyfortieth）若是遇到幾十幾，只變個位就可以。（twenty-fivetwenty-fifth）2. 其余情況均在基數(shù)詞后加th 3.序數(shù)詞有時用縮寫形式：First 縮寫 1st, twentysecond 縮寫 22th.專項練習(xí)：一、把下列基數(shù)詞改成序數(shù)詞。one_two_three_nin

5、e_fourteen_twenty_ thirty-five_ five_ eight_twelve_ forty-one 二、根據(jù)句意和所給漢語完成句子。1. Li Mei is always _(第一個)to come to school.2. Mary lives on _ (第十二)floor of that building.3. Today is my grandfathers _ (第七十)birthday.4. The Changjiang River is _ (第三) longest river in the world.5. Take _ (第二)turning on t

6、he left.6. Mary is _ (第四) in the race.數(shù)詞（二）基本用法(一)基數(shù)詞的基本用法用基數(shù)詞來修飾可數(shù)名詞時，一定別忘了用該名詞的復(fù)數(shù)形式。如：十八個男孩 eighteen boys(二)序數(shù)詞的基本用法1.序數(shù)詞前面一般要加定冠詞the(或物主代詞)：Autumn is the third season in a year.2.如果數(shù)字較長，序數(shù)詞總避免使用，而且讀的方法也常常簡化：第201房間：Room 201 第319頁：page 3193. 在談編了號的東西時，我們可以用基數(shù)詞表示順序：the first part-part one 一、時間表達(dá)法1.

7、整點用基數(shù)詞+oclock, 如：1:00 _ 5:00 _2.按“鐘點數(shù)+分鐘數(shù)”的順序，如：6:18 _ 9:48_3. 分鐘不超過30（包含三十）時，用“分鐘+past+鐘點數(shù)”表達(dá)。如：6:05_ 7:15_ 8:30_ 4. 分鐘數(shù)超過30時，用“分鐘數(shù)+to+鐘點數(shù)”表達(dá)。其中“分鐘數(shù)”為60減去原分鐘數(shù)，“鐘點數(shù)”為下一個鐘點數(shù)。如：3:50 _ 4:45_ 5:56_ 注意：在具體時刻前通常用at。如： ( at ) six or six oclock專項練習(xí)：一、用英語寫出下列時間。 _ _ _ _二、按要求完成句子。1. Linda does her homework at

8、 five fifty. (改為同義句) Linda does her homework at _ _ _.2. He made clothes for two quarters. (改為同義句) He made clothes for _ _. / _ _ _.3. What is the time? (改為同義句) _ _ is it?4. Mr Green goes to work at seven ten every day. (劃線部分提問) _ _ _ Mr Green _ to work every day?二、年、月、日表達(dá)法-Whats the date today? -It

9、s May 3rd, 1987. -When is Childrens Day? -Its on June the first ( Jun 1st).-When is Teachers Day? -Its on the tenth of September (Sept 10th).1.年代前用 in. 每兩位數(shù)讀一個詞，例如：1987年讀作nineteen eighty-seven。 ( in ) 1905 讀作(in ) nineteen and five ( in ) 1800 讀作( in ) eighteen hundred2.月份開頭第一個字母須大寫，表示“在某月”時，月份前面用 i

10、n。 ( in ) January， ( in ) March， ( in ) December3. 日期 用序數(shù)詞(前需要加the)表示； “ 在某日”，前面用介詞on. ( on ) October the first 4.某年 某月 某日如果年月日同時出現(xiàn)，先月后日，把年代放在最后，用逗號隔開，日要用序數(shù)詞。in Sep. 1954 on Oct. 1, 1949(讀作on October the first, nineteen forty-nine)專項練習(xí)：一、用英語寫出下列日期。_ _ _ _二、在句中填入適當(dāng)?shù)脑~。1. - _ is Halloween? - Its _ Octo

11、ber.2. - _ the _ today? Its Jun 1st. - Its _ _.3. - Is Womens Day _ _ _ ? - Yes, it is.4. Mid-Autumn Festival is usually _ _ or _.5. Hong Kong came back _ 1997.三、一些數(shù)學(xué)加減的讀法：3+8=11 three plus eight is eleven. 9-7=2 nine minus seven is two.課后作業(yè)一、英漢互譯第六課 _20個雞蛋_6月2日_ on March 20,2004 _seven thirty_ 96把椅

12、子 _No. 5 Middle School _6：40 _ four times _ 二、把下列基數(shù)詞改成序數(shù)詞。one_two_three_nine_fourteen_twenty_ thirty-five_ five_ eight_twelve_ forty-one 三、選擇題1. We are going to learn _ this term.A. book six B. six book C. the book six D. Book Six2. Jenny was born (出生) _.A. on July 10, 1987 B. in July 10, 1987 C. in

13、 1987, July 10 D. on 19873. Autumn is _ season in a year.A. the fourth B. the third C. a third D. the threeth4. There are _ days in a year.A. three hundreds sixty-five B. three hundreds and sixty-fiveC. three hundred sixty-five D. three hundred and sixty-five5. There are _students in our school.A. e

14、ight hundreds and forty-six B. eight hundred and forty-sixC. eight hundred forty-six6. My brother is in_.A. Three Class, One Grade B. Class Three, Grade OneC. Grade One, Class Three D. class three, grade one7. Please turn to _ . Lets read the text. A. Page two B. the page two C. second page D. page

15、second8Danny lives in _ Aroom 404 BRoom 404 C404 room D404 Room9Whats the date today? _ AIts Saturday BIts July CIts fine DIts July 1510What time do you get up every day? AIts seven oclock BSeven oclock time CAt seven DOn seven11.My home is about away from the school.A. three hundred metre B. three

16、hundreds metresC. three hundred metres D. three hundred metre12.We are learning now.A.the twenty-first lesson B.Lesson Twenty-firstC.the 21th lesson D.Lesson 21 st13.This is her birthday, I think.A.twenty B.twentieth C.the twentieth D.the twentys14.September is TeachersDay.A.the ten B the tenth C.th

17、e tens15. My grandmother is_ old. A. seventieth B. seventy year C. seventy years D. seventies 16. Monday is the second day, and_. A. Tuesday is the fourth B. Thursday is fifth C. the second day is Tuesday D. the second day is Thursday 17. There are _months in a year. December is the _month of the ye

18、ar. A. twelve; twelve B. twelve; twelfth C. twelfth; twelve D. twelve; twelveth 18. Whats the date today? It is _. A. Friday B. time to go C. cloudy D. June 4th 19. What is five and eight? A. Twelve B. Thirteen C. Fourteen D. Fifteen四、根據(jù)句意和有關(guān)常識，用英文數(shù)詞填空。1. Fifty-one plus thirty-eight is _.2. There are _ days in a week（星期）。 3. W is _ letter in the alphabet(字母表).4. Thirty divided by（除以）five is _5、Bill is （14）years old , he is in Class （2）Grade （6）.6、My birthday is on the （3