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1、1,小学英语数词复习课件,2,分类及定义,基数词,序数词,表示数量的多少,表示顺序的先后,3,基数词的用法,构成,基数词1-12 是独立的单词,one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve,基数词13-19是在个位数后面加-teen构成，其中thirteen, fifteen, eighteen是不规则变化。,thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen,整十的基数词20-90是在个位数词后面加-ty构成
2、，其中twenty, thirty, forty, fifty, eighty是不规则变化。,twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety,4,非整十基数词21-99：十位数与个位数之间加上连字符“-”。,twenty-one, seventy-six, eighty-eight,三位数以上的基数词，百位数和十位数之间用and连接。,201：two hundred and one3514: three thousand, five hundred and fourteen98132: ninety-eight thou
3、sand, one hundred and thirty-two324901: three hundred and twenty-four thousand, nine hundred and one,百：hundred千：thousand百万：million十亿：billion万：ten thousand十万：one hundred thousand,5,hundredthousandmillion billion的用法,表示确切数字时，只用其单数形式,three hundredten thousand,表示不确切数字时，要用其复数形式，并且与of连用，表示约数,hundreds ofmil
4、lions of,典型例题 1There are more than _days in a year.A. three hundreds B. three hundred C. three hundreds of D. three hundred of 典型例题 2 _visitors travel to the Great Wall every year.A.Thousands B. Thousands of C. Thousand D. Thousand of,6,基数词表示编号名词+基数词（首字母大写）,Lesson Five 第五课 Room 306 306房间 Page Twelve
5、 第十二页 Class One, Grade Six 六年级一班,典型例题 1The first lesson is easier than_.A. Lesson sixB. Lesson Six C. lesson six D. lesson Six典型例题 2There are a lot of students in _. A. Grade Three, Class TwoB. Class Two, grade three C. Class Two, Grade threeD. Class Two, Grade Three,7,序数词的用法,构成,序数词1-3是独立的单词,first,
6、second, third,基数词4-19是在基数词后面加-th构成，其中fifth, eighth, ninth, twelfth, thirteenth, fifteenth是不规则变化。,fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth,sixteenth, seventeenth, eighteenth, nineteenth,整十的基数词20-90变序数词时，变y为i再加“eth”。,twentieth, thirtieth
7、, fortieth, fiftieth, sixtieth,21以上非整十基数词变序数词时，只需将其个位数变成序数词，其它位数仍用基数词。,twenty-first, seventy-sixth, two hundred and eighty-eighth,8,常见的数词表达,日期的表达,月,日,年,日,月,年,2016年10月1日October 1st, 2016,2016年10月1日the first of October, 2016,January, February, March, April, May, June, July, August, September, October,
8、 November, December,9,时间的表达,直接表达法,基数词 + oclock来表示整点eight oclock 8:00钟点 + 分钟eleven five 11:05six forty 6:40,间接表达法,to,past,分钟数少于30分钟，分钟 + past + 钟点twenty past four 四点二十 eight past one 一点零八分分钟数多于30分钟，（60分钟-原分钟数）+ to +（原钟点数+ 1）twenty-five to nine 8:35,十五分钟fifteen/a quarter三十分钟thirty/half,10,年龄的表达,“基数词+y
9、ears old”，“years old”也可以省略。,The boy is twelve (years old).,“在年龄时”，用“at the age of +基数词”表示。,He learned to play the piano at the age of six.,“在几十岁时”，用“in ones +整十的复数”表示。,The man died in his fifties.,11,“半”的表达,一半：half a/an +名词 或 a half +名词half an hour 或 a half hour 半小时,几个半：”基数词 +名词+and a half“或”基数词+and
10、 a half+名词“two apples and a half 或 two and a half apples 两个半苹果,12,数量词的用法,表示长、宽、高，用“基数词+单位词（meter, kilometer, foot, inch等）+形容词（long, wide, high等）” 表示。,two meters long 两米长three inches high 三英尺高,表示时间、距离时，用含有数词的名词所有格形式作定语。,five minutes walk 步行五分钟 two hours ride 骑车两小时,由数词和其它名词组成的复合数词，其中的名词用单数形式，各部分之间用连字符
11、“-”来连接。,a three-month-old baby 一个三个月大的婴儿a five-day holiday 五天的假期,The building is ten meters high.（）This is a ten-meter-high building.（）The building is ten-meter-high.（）This is a ten meters high building.（）,13,次数的表达,一次：once二次：twice三次及以上：基数词+times three times 三次 ten times 十次 twenty-eight times 二十八次,14
12、,分数的表达,基数词,序数词, 1,+ s,1/3 one third 3/8 three eighths,15,倍数的表达,A is +倍数+as +形容词原级+as B “A是B的多少倍”。,This room is twice as big as that one.,A is +倍数 +形容词比较级+than B “A 比B大（多、高）多少倍”。,This car is three times more expensive than that truck.,A is +倍数 +the size/length/width/height+of B “A是B（大小、长、宽、高）的多少倍”。,T
13、he house is four times the size of that one.,16,思维导图数词,17,沙场大点兵,1. Lincoln was born on _.A. February 12th, 1809B. 1809, February 12th C. 1809, 12th FebruaryD. February 1809,12th2. A _ boy can sing the English song very well.A. ten-years-oldB. ten years oldC. ten-year-oldD. ten year old3. -How many s
14、tudents are there in your class?-_.A. Twenty nine B. Thirty and twoC. Forty-five D. Fifties4. The number 4,123 is read _.A.four thousand one hundred and twenty-three B. four thousand and one hundred twenty-threeC.four thousand and a hundred and twenty-three D. four thousands a hundred and twenty-thr
15、ee,5. Our school is not very big. There are only _ students.A. nine hundreds of B. nine hundred C. nine hundredsD. nine hundred of6. -How many new words are there in _ lesson?-There are only _.A. five; fifth B. fifth; five C. the fifth; the fiveD. the fifth; five7. There was no bus in that small tow
16、n. We had a _.A. ten miles walkB. ten-mile walkC. ten miles walkD. tenth mile walk8. Which room do you live in? _.A. 201 Room B. Room 201 C. Room 201st D. 201s Room9. Three hundred thousand one hundred and seventy means _.A. 3,170 B. 3,117 C. 300,170 D. 30,17010. On May _, _ people traveled round the country.A. the first, millions B. the first, millions of C. first, the millionth D. first, millions,18,19,家庭作业,自制思维导图,综合练习,
