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Cách đọc phân số, thập phân, dấu mũ, số đếm, số thứ tự trong tiếng Anh

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Fractions

½ a half /ə ‘hɑ:f/
¼ a quarter /ə ‘kwɔːtə/
¾ three quarters /θriː ‘kwɔːtəz/
a third /ə ‘θɜ:d/
two thirds /tu: ‘θɜ:dz/
a fifth /ə ‘fɪfθ/
two fifths /tu: ‘fɪfθs/
three fifths /θriː ‘fɪfθs/
four fifths /fɔː ‘fɪfθs/
a sixth /ə ‘sɪksθ/
five sixths /faɪv ‘sɪksθs/
an eighth /ən ‘eɪtθ/
three eighths /θriː ‘eɪtθs/
five eighths /faɪv ‘eɪtθs/
seven eighths /sevən ‘eɪtθs/

 

Decimal Fractions

0.1 nought point one /nɔ:t pɔɪnt wʌn/
0.01 nought point oh one /nɔ:t pɔɪnt əʊ wʌn/
0.0001 nought point oh oh oh one /ten pɔɪnt əʊ əʊ əʊ wʌn/
1.1 one point one /wʌn pɔɪnt wʌn/
1.2 one point two /wʌn pɔɪnt tu:/
1.23 one point two three /wʌn pɔɪnt tu: θri:/
1.0123 one point oh one two three /wʌn pɔɪnt əʊ wʌn tu: θri:/
10.01 ten point oh one /ten pɔɪnt əʊ wʌn/
21.57 twenty-one point five seven /’twentɪ wʌn pɔɪnt  faɪv ‘sevən/
2.6666666666…. two point six recurring /tu: pɔɪnt  sɪks rɪ’kɜ:rɪŋ/
2.612361236123… two point six one two three recurring /tu: pɔɪnt  sɪks wʌn tu: θri: rɪ’kɜ:rɪŋ/
2.5 million two point five million /tu: pɔɪnt  faɪv ‘mɪljən/

 

SI Units: Prefixes

 

Prefix Symbol 10n Long/Short Scale
yotta (gr. okto – eight) Y 1024 Quadrillion/Septillion
zetta (lat. septem – seven) Z 1021 Trilliard/Sextillion
eksa (gr. ex – six) E 1018 Trillion/Quintillion
peta (gr. penta – five) P 1015 Billiard/Quadrillion
tera (gr. teras – monster) T 1012 Billion/Trillion
giga (gr. gigas – giant) G 109 Milliard/Billion
mega (gr. megas – great) M 106 Million/Million
kilo (gr. khilioi – thousand) k 10³ Thousand/Thousand
hecto (gr. hekaton – hundred) h 10² Hundred/Hundred
deca (gr. deka – ten) da 101 Ten/Ten
100 One/One
decy (lat. decimus – tenth) d 10-1 Tenth/Tenth
centy (lac. centum – hundredth) c 10-2 Hundredth/Hundredth
milli (lac. mille – thousand) m 10-3 Thousandth/Thousandth
mikro (gr. mikros – small) µ 10-6 Millionth/Millionth
nano (gr. nanos – dwarf) n 10-9 Milliardth/Billionth
pico (it. piccolo – small) p 10-12 Billionth/Trillionth
femto (den. femten – fifteen) f 10-15 Billiardth/Quadrillionth
atto (den. atten – eighteen) a 10-18 Trillionth/Quintillionth
zepto (lat. septem – seven) z 10-21 Trilliardth/Sextillionth
yokto (gr. okto – eight) y 10-24 Quadrillionth/Septillionth

 

Cardinal Numbers

1 one /wʌn/
2 two /tu:/
3 three /θri:/
4 four /fɔː/
5 five /faɪv/
6 six /sɪks/
7 seven /’sevən/
8 eight /eɪt/
9 nine /naɪn/
10 ten /ten/
11 eleven /ɪ’levən/
12 twelve /twelv/
13 thirteen /θɜ:’ti:n/
14 fourteen /fɔː’ti:n/
15 fifteen /fɪf’ti:n/
16 sixteen /sɪkst’i:n/
17 seventeen /seven’ti:n/
18 eighteen /eɪ’ti:n/
19 nineteen /naɪn’ti:n/
20 twenty /’twentɪ/
21 twenty-one /twentɪ’wʌn/
22 twenty-two /twentɪ’tu:/
23 twenty-three /twentɪ’θri:/
24 twenty-four /twentɪ’fɔː/
25 twenty-five /twentɪ’faɪv/
26 twenty-six /twentɪ’sɪks/
27 twenty-seven /twentɪ’sevən/
28 twenty-eight /twentɪ’eɪt/
29 twenty-nine /twentɪ’naɪn/
30 thirty /’θɜ:tɪ/
40 forty /’fɔːtɪ/
50 fifty /’fɪftɪ/
60 sixty /’sɪkstɪ/
70 seventy /’sevəntɪ/
80 eighty /’eɪtɪ/
90 ninety /’naɪntɪ/
100 a hundred; one hundred /ə ‘hʌndrəd/ /wʌn ‘hʌndrəd/
101 a hundred and one /ə ‘hʌndrəd ən wʌn/
102 a hundred and two /ə ‘hʌndrəd ən tu:/
110 a hundred and ten /ə ‘hʌndrəd ən ten/
120 a hundred and twenty /ə ‘hʌndrəd ən ‘twentɪ/
200 two hundred /tu: ‘hʌndrəd/
300 three hundred /θri:  ‘hʌndrəd/
400 four hundred /fɔː ‘hʌndrəd/
500 five hundred /faɪv ‘hʌndrəd/
600 six hundred /sɪks ‘hʌndrəd/
700 seven hundred /’sevən ‘hʌndrəd/
800 eight hundred /eɪt ‘hʌndrəd/
900 nine hundred /naɪn ‘hʌndrəd/
1 000 a thousand, one thousand /ə θ’ɑʊzənd/ /wʌn ‘θɑʊzənd/
1 001 a thousand and one /ə ‘θɑʊzənd ən wʌn/
1 010 a thousand and ten /ə ‘θɑʊzənd ən ten/
1 020 a thousand and twenty /ə ‘θɑʊzənd ən ‘twentɪ/
1 100 one thousand, one hunded /wʌn ‘θɑʊzənd wʌn ‘hʌndrəd/
1 101 one thousand, one hundred and one /wʌn ‘θɑʊzənd wʌn ‘hʌndrəd ən wʌn/
1 110 one thousand, one hundred and ten /wʌn ‘θɑʊzənd wʌn ‘hʌndrəd ən ten/
9 999 nine thousand, nine hundred and ninety-nine /naɪn ‘θɑʊzənd naɪn ‘hʌndrəd ən ‘naɪntɪ ‘naɪn/
10 000 ten thousand /ten ‘θɑʊzənd/
15 356 fifteen thousand, three hundred and fifty six /’fɪfti:n ‘θɑʊzənd θri: ‘hʌndrəd ən ‘fɪftɪ sɪks/
100 000 a hundred thousand /ə ‘hʌndrəd ‘θɑʊzənd/
1 000 000 a million /ə ‘mɪljən/
100 000 000 a hundred million /ə ‘hʌndrəd ‘mɪljən/
1 000 000 000 a billion /ə ‘bɪljən/
100 000 000 000 a hundred billion /ə ‘hʌndrəd ‘bɪljən/
1 000 000 000 000 a trillion /ə ‘trɪljən/
1 000 000 000 000 000 a quadrillion /ə kwɒdrɪljən/
1 000 000 000 000 000 000 a quintillian /ə kwɪn’tɪljən/
1 000 000 000 000 000 000 000 a sextillion /ə seks’tɪljən/
1 000 000 000 000 000 000 000 000 a septillion /ə sep’tɪljən/
1 000 000 000 000 000 000 000 000 000 an ocillion /ən ɒkt’tɪljən/
1 000 000 000 000 000 000 000 000 000 000 a nonillion /ə nɒn’ɪljən/
1 000 000 000 000 000 000 000 000 000 000 000 a decillion /ə de’sɪljən/

 

Ordinal Numbers

1st first /fɜ:st/
2nd second /’sekənd/
3rd third /θɜ:d/
4th fourth /fɔ:θ/
5th fifth /fɪfθ/
6th sixth /sɪksθ/
7th seventh /’sevənθ/
8th eighth /eɪtθ/
9th ninth /naɪnθ/
10th tenth /tenθ/
11th eleventh /ɪ’levənθ/
12th twelfth /’twelfθ/
13th thirteenth /θɜ:’ti:nθ/
14th fourtheenth /fɔː’ti:nθ/
15th fidteenth /fɪf’ti:nθ/
16th sixteenth /sɪks’ti:nθ/
17th seventeenth /seven’ti:nθ/
18th eighteenth /eɪ’ti:nθ/
19th nineteenth /naɪn’ti:nθ/
20th twentieth /’twentɪəθ/
21st twenty-first /twentɪ’fɜ:st/
22nd twenty-second /twentɪ’sekənd/
23rd twenty-third /twentɪ’θɜ:d/
24th twenty-fourth /twentɪ’fɔ:θ/
25th twenty-fifth /twentɪ’fɪfθ/
26th twenty-sixth /twentɪ’sɪksθ/
27th twenty-seventh /twentɪ’sevənθ/
28th twenty-eighth /twentɪ’eɪtθ/
29th twenty-ninth /twentɪ’naɪnθ/
30th thirtieth /’θɜːtɪəθ/
31st thirty-first /θɜːtɪ’fɜ:st/
40th fortieth /’fɔ:tɪəθ/
50th fiftieth /’fɪftɪəθ/
100th hundredth /’hʌndrədθ/
1 000th thousandth /’θɑʊzəndθ/
1 000 000th miilionth /’mɪljənθ/

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