# Counting to 1,000 and Beyond

## 1 to 20

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |

one | two | three | four | five | six | seven | eight | nine | ten |

11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |

eleven | twelve | thirteen | fourteen | fifteen | sixteen | seventeen | eighteen | nineteen | twenty |

## 21 to 99

Join these:

20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |

twenty | thirty | forty | fifty | sixty | seventy | eighty | ninety |

to these:

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |

-one | -two | -three | -four | -five | -six | -seven | -eight | -nine |

*Note that forty does not have a u*

but four does!

### Examples:

53 | fifty-three | |

60 | sixty | |

72 | seventy-two | |

99 | ninety-nine |

## 100 to 999

Write how many hundreds ("one hundred", "two hundred", etc), then the rest of the number as above.

In UK English use "hundred **and**".

### Examples:

US | UK | |||

101 | one hundred one | one hundred and one | ||

116 | one hundred sixteen | one hundred and sixteen | ||

144 | one hundred forty-four | one hundred and forty-four | ||

212 | two hundred twelve | two hundred and twelve | ||

271 | two hundred seventy-one | two hundred and seventy-one | ||

621 | six hundred twenty-one | six hundred and twenty-one | ||

999 | nine hundred ninety-nine | nine hundred and ninety-nine |

## 1,000 to 999,999

Write how many thousands ("one thousand", "two thousand", etc), then the rest of the number as above.

### Examples:

US | UK | |||

1,101 | one thousand, one hundred one | one thousand, one hundred and one | ||

15,016 | fifteen thousand, sixteen | fifteen thousand, and sixteen | ||

(No hundreds? Don't write them!but the and is still needed in the UK) |
||||

112,621 | one hundred twelve thousand, six hundred twenty-one | one hundred and twelve thousand, six hundred and twenty-one | ||

999,999 | nine hundred ninety-nine thousand, nine hundred ninety-nine | nine hundred and ninety-nine thousand, nine hundred and ninety-nine |

## Millions and More

Write how many millions then the rest of the number like above.

### Examples:

US | UK | |||

1,006,101 | one million, six thousand, one hundred one | one million, six thousand, one hundred and one | ||

191,232,891 | one hundred ninety-one million, two hundred thirty-two thousand, eight hundred ninety-one | one hundred and ninety-one million, two hundred and thirty-two thousand, eight hundred and ninety-one | ||

999,999,999 | nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine | nine hundred and ninety-nine million, nine hundred and ninety-nine thousand, nine hundred and ninety-nine |

Use the same method for:

Billion | 1,000,000,000 |

Trillion | 1,000,000,000,000 |

Quadrillion | 1,000,000,000,000,000 |

Quintillion | etc ... |

Sextillion | |

Septillion | |

Octillion | |

Nonillion | |

Decillion | |

Undecillion | |

Duodecillion | |

Tredecillion | |

Quattuordecillion | |

Quindecillion | |

Sexdecillion | |

Septemdecillion | |

Octodecillion | |

Novemdecillion | |

Vigintillion | 1 followed by 63 zeros! |

## Commas or Spaces

When writing the number put **commas every three digits** like this:

1,006,101

In Science it is common to use small **spaces **instead of commas:

1 006 101

When writing **words** some people use commas, some don't:

- one million, six thousand, one hundred one
- one million six thousand one hundred one

Which do you prefer?