英语数字1-20教学PPT

1. 1－3分别为first,second,third 。 2. 4－19都是在后面加上th,特殊的有fifth,eighth,
ninth,twelfth。 3. 20－90把y变成ie然后加th,如twentieth。 4. 21－99的序数词变后面的各位数。 5. 序数词可以用缩写，如1st, 2nd, 3rd ,4th…
3.百分数的表达：用“基数词+percent”表示， 注意percent 不用复数形式，如：
3% three percent 50% fifty percent 百分数作主语用法同分数一样。
分数
1/3
one third
1/4
one fourth
2/5
two fifths
3/4
three fourths
百分数的用法同分数的用法
百分数+of+
(C) 单 +V单 (C) 复+V复 (U) +V单
小数
0.5 zero point five 0.32 zero point three two / thirty-two 1.6 one point six 1.72 one point seven two/seventy-two 当数值大于1时，小数点后的名词用复数。 如：1.03 meters 1.5 tons
buy_____C_____ one.
A. the third B.three C.a third D. a
中考链接
1) The __D_____question is much more difficult
than this one .
A. forth
B. forty
C. fourteen

---What number is it ? ---It is number nine.
小学英语数字教学
eleven twelve
---What number is it ? ---It is number eleven.
---What number is it ? ---It is number one.
eighteeneight小学英语数字教学jacketsarethere小学英语数字教学twentypencilsarethereeleven小学英语数字教学horsesaretheretwelve小学英语数字教学turtlesaretherethirteen小学英语数字教学carsaretheretwentyfive小学英语数字教学antsaretherefourteen小学英语数字教学cowsaretherelookatpictureshowmanydogsarethere
14-19 数字+teen
four + teen
six + teen seven + teen eight + teen nine + teen
11 eleven 13 thirteen
小学英语数字教 学
12 twelve 15 fifteen
整数
12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen
eleven
小学tu英rtle语s 数ar字e 教学there
twelve
小学car英s 语数ar字e 教学there thirteen
小学an英ts 语数ar字e 教学there

first (1st)第一 second (2nd)第二 third (3rd)第三 fourth (4th)第四 fifth (5th)第五
ninth (9th)第九 twelfth (12th)第十二 twentieth (20th)第二十 twenty-first (21st)第二十一 thirtieth (30th)第三十
• 10月5日
October fifth.
• 8月15日
August fifteenth
• 9月10日
September tenth
• 12月21日
December twenty-first
• 1月20日
January twentieth
• 3月30日
March thirtieth
写出下列词的序数词;
Read fast !!!
381-3468
861-2732
2953-4589
2760-1293
136-5360-7968
1.If someone is ill badly(得了重病），we
should call________.
120
2.If you are in danger（身处险境）... ... you should call________.
)
• twenty-(
) • 2.3 (
)
• twenty-one-(
) • 9.10 (
)
写出下列词的序数词; one-( first) two-( second) three-(third) four-(fourth) five-(fifth ) nine-(ninth) twelve-(twelfth) fifteen-(fifteenth) twenty-( twentieth) twenty-one-(twenty-

first (1st)第一 second (2nd)第二 third (3rd)第三 fourth (4th)第四 fifth (5th)第五
ninth (9th)第九 twelfth (12th)第十二 twentieth (20th)第二十 twenty-first (21st)第二十一 thirtieth (30th)第三十
first)
写出下列日期; 5.21(May twenty-first) 10.1 (October first) 6.1 (June first) 12.25 (December twenty-
fifth) 8.19 (August nineteenth) 11.18 (November eighteenth) 1.1 (January first) 3.30 (March thirtieth) 2.3 (February third) 9.10 (September tenth)
• 9月10日
September tenth
• 12月21日
December twenty-first
• 1月20日
January twentieth
• 3月30日
March thirtieth
What’s the date? (11月15日)
• It’s November 15th.
• It’s+月份+日期.
Read fast !!!
381-3468
861-2732
2953-4589
2760-1293
136-5360-7968
Answer Fast !（快速抢答） 1.If someone is ill badly(得了重病），we