(共39张PPT)
主讲者:Tim
英语语法
English Grammar
第1课 Cardinal Numbers 基数词
第四章
Numerals 数词
1
2
了解基数词的概念及运用范围。
能用英语正确表达常用数字。
学习目标
Cardinal Number
A cardinal number is one that represents amount, such as 1, 2, 3.
基数词是指用来表示事物数量的词,比如1,2,3。
Cardinal numbers come before plural nouns.
1 ball
1 egg
8 pencils
5 balls
6 eggs
1 pencil
1 bird
12 birds
Cardinal Number
0 zero, oh, nil 10 ten
1 one 11 eleven
2 two 12 twelve 20 twenty
3 three 13 thirteen 30 thirty
4 four 14 fourteen 40 forty
5 five 15 fifteen 50 fifty
6 six 16 sixteen 60 sixty
7 seven 17 seventeen 70 seventy
8 eight 18 eighteen 80 eighty
9 nine 19 nineteen 90 ninety
Cardinal Number
100 one hundred
200 two hundred
307 three hundred and seven
798 seven hundred and ninety eight
1000 one thousand
2000 two thousand
2020 two thousand and twenty
10,000 ten thousand
100,000 one hundred thousand
1,000,000 one million
10,000,000 ten million
100,000,000 one hundred million
1,000,000,000 one billion
1,400,000,000 one billion and four hundred million
Cardinal Number
There are 7 days in a week.
There are 24 hours in a day.
Cardinal Number
There are 1,000,000 dollars in the briefcase.
There are 366 days in 2016.
Cardinal Number
There are over 7,000,000,000 people on the earth.
Exercise 1
Fill in the blanks with cardinal numbers. 根据阿拉伯数字写出对应的英文单词。
(1) 8
(2) 15
(3) 93
(4)126
(5)2021
Exercise 1
(6)4,672
(7)89,345
(8)32,107,400
(9) 40
(10) 13
Exercise 2
Fill in the blanks with cardinal numbers. 用正确的基数词填空(用英文单词,不用阿拉伯数字)。
1 There are ( ) seconds in an hour.
2 There are ( ) seasons in a year.
3 There are ( ) years in a century.
4 There are ( ) months in a year.
5 There are more than ( ) people in the world.
Answer Key to Exercise 1
Fill in the blanks with cardinal numbers. 根据阿拉伯数字写出对应的英文单词。
(1) 8 eight
(2) 15 fifteen
(3) 93 ninety three
(4)126 one hundred and twenty six
(5)2021 two thousand and twenty one
Answer Key to Exercise 1
(6)4,672 four thousand, six hundred and seventy two
(7)89,345 eighty nine thousand, three hundred and forty five
(8)32,100,400 thirty two million, one hundred thousand, and four hundred
(9) 40 forty
(10) 13 thirteen
Answer Key to Exercise 2
Fill in the blanks with cardinal numbers. 用正确的基数词填空(用英文单词,不用阿拉伯数字)。
1 There are ( three thousand and six hundred ) seconds in an hour.
2 There are ( four ) seasons in a year.
3 There are ( one hundred ) years in a century.
4 There are ( twelve ) months in a year.
5 There are more than ( seven billion ) people in the world.
主讲者:Tim
英语语法
English Grammar
第2课 Ordinal Numbers 序数词
第四章
Numerals 数词
1
2
了解序数词的概念及运用范围。
能用英语正确表达常用序数词。
学习目标
Ordinal Number
An ordinal number is one such as 1st, 2nd, 3rd, 4th, that shows the position of something in a list of things.
序数词是表示事物在事物列表中的位置的数词,比如第一,第二,第三等。
Ordinal numbers show the order of things.
the third in line
the first prize
Ordinal Number
first 1st eleventh 11th
second 2nd twelfth 12th
third 3rd thirteenth 13th
fourth 4th fourteenth 14th
fifth 5th fifteenth 15th
sixth 6th sixteenth 16th
seventh 7th seventeenth 17th
eighth 8th eighteenth 18th
ninth 9th nineteenth 19th
tenth 10th twentieth 20th
twenty first 21st
twenty second 22nd
twenty third 23rd
twenty fourth 24th
Ordinal Number
He is the third one in line.
She won the first prize.
Ordinal Number
Valentine’s Day is on February 14th.
We live in the 21st century.
Exercise 1
Fill in the blanks with ordinal numbers. 根据中文写出对应的英文单词。
(1) 第七
(2) 第十四
(3) 第一
(4) 第三
(5) 第四
Exercise 1
(6)第二
(7)第三十一
(8)第五
(9) 第十二
(10) 第四十
Exercise 2
Fill in the blanks with ordinal numbers. 用正确的序数词填空(用序数词的简写形式)。
1 New Year’s Day is on January ( ).
2 Independence Day in America is celebrated on ( ) of July.
3 Chinese people celebrate the National Day holiday on October ( ).
4 There are ( ) months in a year.
5 There are more than ( ) people in the world.
Answer Key to Exercise 1
Fill in the blanks with cardinal numbers. 根据阿拉伯数字写出对应的英文单词。
(1) 8 eight
(2) 15 fifteen
(3) 93 ninety three
(4)126 one hundred and twenty six
(5)2021 two thousand and twenty one
Answer Key to Exercise 1
(6)4,672 four thousand, six hundred and seventy two
(7)89,345 eighty nine thousand, three hundred and forty five
(8)32,100,400 thirty two million, one hundred thousand, and four hundred
(9) 40 forty
(10) 13 thirteen
Answer Key to Exercise 2
Fill in the blanks with cardinal numbers. 用正确的基数词填空(用英文单词,不用阿拉伯数字)。
1 There are ( three thousand and six hundred ) seconds in an hour.
2 There are ( four ) seasons in a year.
3 There are ( one hundred ) years in a century.
4 There are ( twelve ) months in a year.
5 There are more than ( seven billion ) people in the world.
主讲者:Tim
英语语法
English Grammar
第3课 Fractions & Decimals 分数和小数
第四章
Numerals 数词
1
2
了解分数,小数的基本读法。
能用英语正确表达常用分数和小数。
学习目标
Fraction
1/2 one half
1/3 one third
2/3 two thirds
1/4 a quarter/one fourth
3/4 three quarters/fourths
2/7 two sevenths
Decimal
0.009 (zero) point zero zero nine
0.56 (zero) point five six
1.25 one point two five
3.728 three point seven two eight
89.5 eighty nine point five
Exercise 1
Fill in the blanks with correct words. 根据中文写出对应的英文单词(不能使用简写)。
(1) 二分之一
(2) 四分之一
(3) 五分之二
(4) 四分之三
(5) 八分之七
Exercise 2
Choose the right answer. 选出正确答案。
1 Zero point one zero six is ( )
0.106 B. 1.006
2 Point four three is ( )
0.43 B. 0.34
3 Three point one five is ( )
3.14 B. 3.15
4 Five point eight two nine is ( )
5.849 B. 5.829
5. Ninety nine point nine is ( )
A. 90.9 B. 99.9
Answer Key to Exercise 1
Fill in the blanks with correct words. 根据中文写出对应的英文单词(不能使用简写)。
(1) 二分之一 one half
(2) 四分之一 one fourths / a quarter
(3) 五分之二 two fifths
(4) 四分之三 three fourths / three quarters
(5) 八分之七 seven eighths
Answer Key to Exercise 2
Choose the right answer. 选出正确答案。
1 Zero point one zero six is ( A )
0.106 B. 1.006
2 Point four three is ( A )
0.43 B. 0.34
3 Three point one five is ( B )
3.14 B. 3.15
4 Five point eight two nine is ( B )
5.849 B. 5.829
5. Ninety nine point nine is ( B )
A. 90.9 B. 99.9