Fractions
| ½ | a half | /ə ‘hɑ:f/ |
| ¼ | a quarter | /ə ‘kwɔːtə/ |
| ¾ | three quarters | /θriː ‘kwɔːtəz/ |
| ⅓ | a third | /ə ‘θɜ:d/ |
| ⅔ | two thirds | /tu: ‘θɜ:dz/ |
| ⅕ | a fifth | /ə ‘fɪfθ/ |
| ⅖ | two fifths | /tu: ‘fɪfθs/ |
| ⅗ | three fifths | /θriː ‘fɪfθs/ |
| ⅘ | four fifths | /fɔː ‘fɪfθs/ |
| ⅙ | a sixth | /ə ‘sɪksθ/ |
| ⅚ | five sixths | /faɪv ‘sɪksθs/ |
| ⅛ | an eighth | /ən ‘eɪtθ/ |
| ⅜ | three eighths | /θriː ‘eɪtθs/ |
| ⅝ | five eighths | /faɪv ‘eɪtθs/ |
| ⅞ | 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
| 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.
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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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