基数词变序数词课件.ppt
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小学英语基数词序数词ppt课件【26页】
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second
third fourth fifth
ቤተ መጻሕፍቲ ባይዱ
sixth
seventh
first tenth ninth eighth
second
third fourth
ordinal numbers
fifth
sixth
seventh
ordinal numbers(序数词 )
一、二、三,特殊记, 加th从4起, 八少“t”,九去“e”, “ve”要用“f”替,(five, twelve) 见“y”变成“i”和“e”,词尾加上 “th”, (twenty,thirty,---ninety) 若是遇到几十几,只变个位就可 以。
11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen
Let’s review
thirty ten One hundred sixty
forty seventy
eighty
fifty
ninety
123 , 456 , 789 , 103
Step1:one hundred and twenty-three billion, Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand, Step4:one hundred and three
Look and Practice
625 six hundred and twenty-five 8,961 eight thousand, nine hundred and sixty-one 95,680 ninety-five thousand, six hundred and eighty
小学英语基数词序数词---语法完整54833ppt课件
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可编辑课件PPT
6
Let’s review
thirty
One hundred sixty
forty seventy
几十y
ninety
twenty
twenty可-编o辑n课件ePPT 几十几中间加“—”7
看谁译得快:
100
one hundred
1000 10000
可编辑课件PPT
19
仿写句子
Name:Sam Age:10 Class:四(3)班 Boys:20 Girls:19
Name:Amy Age:13 Class:六(2)班 Boys:15 Girls:18
I am Sam.I am ten years old. I am in Class three Grade four.There are twenty boys and nineteen girls in my class.Do you know how many pupils are there in my class.Yes,there are thirty-nine pupils.I love them.
可编辑课件PPT
20
可编辑课件PPT
Than
LOGO
21
此课件下载可自行编辑修改,此课件供参考! 部分内容来源于网络,如有侵权请与我联系删除!感谢你的观看!
• 1-10
• one two three four five
• six seven eight nine ten 十几在后面加
11-19
t—e—e—n
eleven twelve thirteen teen
forteen fifteen sixteen
unit英语基数词序数词PPT课件
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第16页/共21页
¥68 ¥80
¥40 ¥45
¥35 ¥99
¥15
¥50第17页/共21页 ¥62
¥70
Let’s do a practice!
5=Hello!
第18页/共21页
• 5+4= • 9+4= • 11+3= • 13+4= • 17+6=
21+13= 15+33= 45+21= 30+40=
第9页/共21页
1637
one thousand, six hundred and thirty-seven
2713
two thousand, seven hundred and thirteen
第10页/共21页
Let’s count!
• 1-10 • one two three four five • six seven eight nine ten
11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen
第11页/共21页Let’s ຫໍສະໝຸດ eviewten sixty
thirty
forty
seventy
One hundred
eighty
fifty
twenty-five
几十几中间有连线
sixty-one
eighty-seven
第7页/共21页
Let's count the numbers!
thirteen fifteen eighteen
特殊情况有八个 三个十几,五整十
¥68 ¥80
¥40 ¥45
¥35 ¥99
¥15
¥50第17页/共21页 ¥62
¥70
Let’s do a practice!
5=Hello!
第18页/共21页
• 5+4= • 9+4= • 11+3= • 13+4= • 17+6=
21+13= 15+33= 45+21= 30+40=
第9页/共21页
1637
one thousand, six hundred and thirty-seven
2713
two thousand, seven hundred and thirteen
第10页/共21页
Let’s count!
• 1-10 • one two three four five • six seven eight nine ten
11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen
第11页/共21页Let’s ຫໍສະໝຸດ eviewten sixty
thirty
forty
seventy
One hundred
eighty
fifty
twenty-five
几十几中间有连线
sixty-one
eighty-seven
第7页/共21页
Let's count the numbers!
thirteen fifteen eighteen
特殊情况有八个 三个十几,五整十
《基数词变序数词》课件
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为“-ti”,再加“-eth”
如:sixty -> sixtieth
例子
one
-> first
five
-> fifth
two
-> second
eleven
-> eleventh
常见规律
1-12
用“-th”结尾,如:fifth、 eleventh
13-19
先写“th”,再接“-teen”,如: thirteenth、nineteenth
如“thirteenth”和
“n in eteen th”。
总结和应用
总结
• 序数词和基数词的区别 • 变序数词的规则 • 常规规律和注意事项
应用
1. 理解和应用英文时间和日期表达 2. 描述场合、比赛、排名等 3. 构建英文序数词对话
序数词
表示位置先后,如第一名、第二个到达终点。
规则
1
1、直接在基数词后加“-th”
如:three -> third
ห้องสมุดไป่ตู้
2、以“-y”结尾的字母先改为
2
“-i”,再加“-eth”
如:twenty -> twentieth
3
3、以“-e”结尾的字母直接加
“-th”
4、以“-ty”结尾的字母先改
4
如:nine -> ninth
20、30、40、50、60、 70、80、90
先写基数词,再接“-tieth”, 如:twenty -> twentieth
注意事项
1 1、基数词为“one” 2 2、基数词为
时,序数词为
“three”时,序数
“first”而不是
基数词与序数词.ppt
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• 这里除 eleven, twelve, thirteen, fifteen, eighteen为特殊形式外, fourteen,sixteen,seventeen, nineteen都是由其个位数形式后添加后 缀-teen构成。
(3).整十,以“-ty”结尾 twenty,thirty, forty,fifty,,sixty,
(5)三位数 百位和十位之间要用and连接,
如果 十位为零,百位和个位之间要用 and连接
例如: 123 one hundred and twenty-three
408 four hundred and eight
(6)三位数以上 从个位起,向左每隔三位打一个逗
号“,”。 例如:
123,456,789,331
基数词与序数词
数词
基数词:数目多少:如1,2,3,4
序数词:顺序先后,如第1,第2,
第3,第4
• 基数词
(1)从1 - 10 one,two,three,four,five,six, seven,eight,nine,ten.
• (2).从 11——19,13-19以“teen”
结尾
eleveLeabharlann ,twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen.
billion 十亿
million 百万
thousand 千
• 基数词变为序数词口诀:
• 基变序,有规律,结尾都加"th". • 一二三需特记,结尾带有t、d、d. • 八减t 九去e, ve要用f替, • y要变"ie", 结尾仍有th. • 若要遇到几十几,只变个位就可以
(3).整十,以“-ty”结尾 twenty,thirty, forty,fifty,,sixty,
(5)三位数 百位和十位之间要用and连接,
如果 十位为零,百位和个位之间要用 and连接
例如: 123 one hundred and twenty-three
408 four hundred and eight
(6)三位数以上 从个位起,向左每隔三位打一个逗
号“,”。 例如:
123,456,789,331
基数词与序数词
数词
基数词:数目多少:如1,2,3,4
序数词:顺序先后,如第1,第2,
第3,第4
• 基数词
(1)从1 - 10 one,two,three,four,five,six, seven,eight,nine,ten.
• (2).从 11——19,13-19以“teen”
结尾
eleveLeabharlann ,twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen.
billion 十亿
million 百万
thousand 千
• 基数词变为序数词口诀:
• 基变序,有规律,结尾都加"th". • 一二三需特记,结尾带有t、d、d. • 八减t 九去e, ve要用f替, • y要变"ie", 结尾仍有th. • 若要遇到几十几,只变个位就可以
2023年小升初英语基数词变序数词课件
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基数词是如何变序数的 你知道吗?
1-10
•one two hree four five •six seven eight nine ten
11-19 • eleven twelve thirteen
fourteen fifteen
• sixteen seventeen eighteen nineteen
1.Tom is 5 years old. It's his ___ birthday . A. five B. fiveth C.fifth 2.It's my ___ time to work with you. A. a B. one C. first 3. Is Sunday the ____ day of the week? A. a B. one C. first 4.The yellow river is the _____ longest river in China. A. two B. second C. third 5.March the _____month of the year. A. third B. three C. 3
有迹可循
➢一,二,三,特殊记,词尾字母t,d, d。
➢八去t,九除e,ve要用f替,y要改为ie, 再把th后面加。
eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen
eleventh 11st twelfth 12nd thirteenth 13rd fourteenth 14th fifteenth 15th sixteenth 16th seventeenth 17th eighteenth 18th nineteenth 19th
1-10
•one two hree four five •six seven eight nine ten
11-19 • eleven twelve thirteen
fourteen fifteen
• sixteen seventeen eighteen nineteen
1.Tom is 5 years old. It's his ___ birthday . A. five B. fiveth C.fifth 2.It's my ___ time to work with you. A. a B. one C. first 3. Is Sunday the ____ day of the week? A. a B. one C. first 4.The yellow river is the _____ longest river in China. A. two B. second C. third 5.March the _____month of the year. A. third B. three C. 3
有迹可循
➢一,二,三,特殊记,词尾字母t,d, d。
➢八去t,九除e,ve要用f替,y要改为ie, 再把th后面加。
eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen
eleventh 11st twelfth 12nd thirteenth 13rd fourteenth 14th fifteenth 15th sixteenth 16th seventeenth 17th eighteenth 18th nineteenth 19th
四年级下册英语1.6基数词变序数词的规则微课课件ppt课件
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基数词变序数词的规则
基数词变序数词的规则
基变序,有规律,结尾都加th。 first second third单独记。 八减t,(eight – eighth )。 九去e, ( nine – ninth )。
f来把ve替,再加th。 five twelve
fifth twelfth
字母ty作结尾,”ty”变成“tie”,结尾加th。
first second third
一、二、三需特记,结尾带有t、d、d
基数词变序数词的规则
基数词变成序数词
创新微课
eight nine
eighth ninth
八减t,九去e。
five twelve
fifth twelfth
ve要用f替,再加th。
基数词变序数词的规则
基数词变成序数词
twenty 二十 thirty 三十 sixty 六十
若要遇上几十几,只变个位就可以。
基数词变序数词的规则
创新微课
根据句子意思填空。
1. Children’s Day (儿童节) is on the ___f_ir_s_t _ of June (六月). 2. There are ____t_w_e_l_v_e__ months(月)in a year (年). 3. Teachers’ Day (教师节) is on the __t_en_t_h__ of September (九月).
基数词变序数词的规则
基数词变序数词的规则
How many flowers can you see ?
你能看见多少朵花呢?
One .
一朵。
创新微课
基数词变序数词的规则
What can you see ?
《基数词与序数词》课件
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(twentieth,ninetieth) 若是几十几,前基后序 别倒位 (ninety-first)
2.序数词常与定冠词《基t数h词e与序连数词》用
序数词1-100
1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth
•
这类基数词共有八个。都是十位的整 数,均以后缀-ty结尾。其中sixty、seventy、 eighty、ninety基本《基上数词与是序数词在》 相应的基数词后
• 4、第四类: 这一类和很简单,可以看成是一种合
成词。其结构方式是:用十位整数加上个 位整数,其间用连字符号“-”连接,表 示“几十几”。这类基数词的变化都是规 则的。如:
这一类基数词共有七个。它们在结构
上有两个特点:一是在发音方面都有两个 重音;二是在拼法上都有后缀-teen。除了 thirteen和fifteen之外,都是纯粹地在另一 个基数词的后面加《基上数词与后序数词缀》 -teen。但要注意
• 3、第三类: twenty 二十 thirty 三十 forty 四十 fifty 五十 sixty 六十 seventy 七十 eighty 八十 ninety 九十
《基数词与序数词》
序数词的用途
a. 用来表示时间 2008年2月28日可以表示为Februry 28th,2007
b. 用来表示顺序 例如:He is always the first to come to
school. 他总是第一个来学校
c. 用来表示楼层 例如:He lives on the fourth floor.他住在
若教师采用这种方法教学生,可在板书 上用带色粉笔突出不同的后缀,形象地给学 生作更详尽的解释。《基数词与序数词》
2.序数词常与定冠词《基t数h词e与序连数词》用
序数词1-100
1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth
•
这类基数词共有八个。都是十位的整 数,均以后缀-ty结尾。其中sixty、seventy、 eighty、ninety基本《基上数词与是序数词在》 相应的基数词后
• 4、第四类: 这一类和很简单,可以看成是一种合
成词。其结构方式是:用十位整数加上个 位整数,其间用连字符号“-”连接,表 示“几十几”。这类基数词的变化都是规 则的。如:
这一类基数词共有七个。它们在结构
上有两个特点:一是在发音方面都有两个 重音;二是在拼法上都有后缀-teen。除了 thirteen和fifteen之外,都是纯粹地在另一 个基数词的后面加《基上数词与后序数词缀》 -teen。但要注意
• 3、第三类: twenty 二十 thirty 三十 forty 四十 fifty 五十 sixty 六十 seventy 七十 eighty 八十 ninety 九十
《基数词与序数词》
序数词的用途
a. 用来表示时间 2008年2月28日可以表示为Februry 28th,2007
b. 用来表示顺序 例如:He is always the first to come to
school. 他总是第一个来学校
c. 用来表示楼层 例如:He lives on the fourth floor.他住在
若教师采用这种方法教学生,可在板书 上用带色粉笔突出不同的后缀,形象地给学 生作更详尽的解释。《基数词与序数词》
基数词变序数词课件精编版
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z
j为有向线段 OM 与z 轴正向所夹
的角,
z
q 为从正z 轴来看自x 轴按逆时针
方向转到有向线段 的角. OP
M(x, y, z)
r j
这样的三个数r、j 、q 叫做点M
的球面坐标.
这里r 、j 、q 的变化范围为
x
0 r<,0 j <,0q 2.
O
q
x
yy P
坐标面rr0,jj 0,q q 0的意义:
_A_p_r_il_1_st__. 6. Tree Planting Day (植树节)
is _M_a_r_ch__12_t_h____. 7. Children’s Day (儿童节) is
Ju_n_e_1_s_t
(读ID cards,完成下列对话)
Betty:Who are they? S.H.E
(twenty-first)
8月
6月
9月
2
12
20
-What’s the date? -It’s …
4月
10月
1月
9
19
31
2b Listen and circle the numbers you ห้องสมุดไป่ตู้ear in 2a.
Let’s listen.
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st
Unit 8 When is your birthday?
基数词变序数词
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• 一月 • 二月 • 三月 • 四月 • 五月 • 六月
Months
January February March April May June
七月 八月 九月 十月 十一月 十二月
July August September October November December
基变序有规律,末尾th 加上去;
一、二、三特殊记,末尾分别t、d、d;
八减t九去e , f 要把ve 替;
若是遇到几十几,只变个位就可以;
ty结尾变y为 ie,再加th 莫忘记。
one
first
two
second
three
third
eight
eighth
nine
ninth
five
fifth
ቤተ መጻሕፍቲ ባይዱ
twenty-one twenty-first
on Aug. 1st on the(the不可省略) twenty-third of August
记忆力大挑战
• 1. 生日快乐! • 2. 你多大了? • 3. 我十三岁了。 • 4. 你的生日在什么时候? • 5. 我的生日在八月。 • 6. 那你想要来参加我的生日聚吗? • 7. 在下午三点。 • 8. 再见。
thirty
thirtieth
月份的表达
在1月:in January 在1月1日:on January the(the可省略) first
on Jan. 1st on the(the不可省略) first of January
Are you clear?你懂了吗?
在8月:in August 在8月23日:on August the(the可省略) twenty-third
Months
January February March April May June
七月 八月 九月 十月 十一月 十二月
July August September October November December
基变序有规律,末尾th 加上去;
一、二、三特殊记,末尾分别t、d、d;
八减t九去e , f 要把ve 替;
若是遇到几十几,只变个位就可以;
ty结尾变y为 ie,再加th 莫忘记。
one
first
two
second
three
third
eight
eighth
nine
ninth
five
fifth
ቤተ መጻሕፍቲ ባይዱ
twenty-one twenty-first
on Aug. 1st on the(the不可省略) twenty-third of August
记忆力大挑战
• 1. 生日快乐! • 2. 你多大了? • 3. 我十三岁了。 • 4. 你的生日在什么时候? • 5. 我的生日在八月。 • 6. 那你想要来参加我的生日聚吗? • 7. 在下午三点。 • 8. 再见。
thirty
thirtieth
月份的表达
在1月:in January 在1月1日:on January the(the可省略) first
on Jan. 1st on the(the不可省略) first of January
Are you clear?你懂了吗?
在8月:in August 在8月23日:on August the(the可省略) twenty-third
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celebrating with celebrating with
flowers and national flags
flags, picnics and watching bands play
music in parks
Year the celebration started
1949
1777
Complete the sentences with the correct form of the words in the box.
Read the passage and complete the table.
Holiday Date Duration
Ways of celebration
China
US
National Day 1st of October
Independence Day
4th July
three days
one day
基数词变序数词。其规律为: 1,2,3特殊记, 加th从4起,
(first,second,third,fourth) 8少t,9去e,千万别忘记,
(eighth, ninth) ve变f , y要变ie ,
(fifth, twelfth, twentieth, ninetieth) 若是几十几,前基后序别忘记.
Complete the sentences with the dates of
the following holidays in China, the UK
and the US.
Now listen
Labour 1st
DMaayyainnCdhinca his eonc_k__._______.
The days of week
Monday
Saturday
Tuesday Wednesday
Sunday
Thursday
Friday
12 months
January
July
February
August
March
September
April
October
May
November
June
December
听对话回答问题:对话中提到了哪三个国 y
Date
China US UK
China’s National Day
Independence Day
Christmas
The first of October
4th July
Not say (25thDecember)
(twenty-first)
What day is it today?
It’s Sunday. What’s the date today? It’s 14th September./ September 14(th)
读作: • the fourteenth of September 1.September (the) fourteenth
Public holidays
Listening and vocabulary
Look at the picture and answer the question.
1. WPehoipclhepaureblcicelheoblriadtaiyngarLeabpoeuorplDeay. celebrating? 2. WThhisehnoislidthaiysihsoolnid1asyt MinaCyhinaC?hina.
8月
6月
9月
2
12
20
-What’s the date? -It’s …
4月
10月
1月
9
19
31
请写出下列节日的日期
• Teachers’ Day (教师节) is __S_e_p_te_m_b_e_r_1_0.th
• Christmas Day (圣诞节)is __D_e_ce_m_b_e_r_2.5th
• Labour’s Day (劳动节)is _M__ay__1_st.
• New Year’s Day (元旦)is J_a_n_u_ar_y_1_s_t .
• April Fool’s Day (愚人节)is A__pr_il_1_s_t__.
• Tree Planting Day (植树节)
•
twenty-first (21st) twenty-second (22nd) twenty-third (23rd) twenty-fourth (24th) twenty-fifth (25th) twenty-sixth (26th) twenty-seventh (27th) twenty-eighth (28th) twenty-ninth (29th) Thirtieth (30th) thirty-first (31st)
May Day in UK is on_____________________. the first Monday in May
Labour Day in US is on _t_h_e_f_ir_s_t_M__o_n_d_a_y_i_n_S_e_p_t_e_m__b_e_r_.
Listen and read
iMs _ar_c_h_1_2_th______.
• 7. Children’s Day (儿童节) is
• Ju_ne__1s_t_
8.Spring Festival is in January and February. 9.Students have summer holiday in July and August .
2a Listen and repeat.
first 1st second 2nd third 3rd fourth 4th fifth 5th sixth 6th seventh 7th eighth 8th ninth 9th tenth 10th
eleventh 11th twelfth 12th thirteenth 13th fourteenth 14th fifteenth 15th sixteenth 16th seventeenth 17th eighteenth 18th nineteenth 19th twentieth 20th