million

ordinal millionth) The number 1,000,000.

In 2006, Canada had about 32.6 million people.


billion

ordinal billionth) The number 1,000,000,000 (or 1,000,000,000,000 in old British usage).

In 2006, China had about 1.3 billion people.


one

We have one nose and one mouth.


zero

Zero is a count of nothing, the number before one. It is often written 0.

It's zero degrees.

Zero is also used with an uncountable noun.

I have zero food left.


five

We have five toes on each foot.


thousand

Julius Caesar lived about two thousand years ago.


hundred

There are a hundred centimeters in a meter.


ten

We have ten fingers and ten toes.


two

ordinal second) The number 2. Two means more than one and less than three.

We have two eyes and two ears.


three

A triangle has three sides.


four

ordinal fourth) The number 4. Four is one more than three and one less than five.

We have four fingers and one thumb on each hand.


six

ordinal sixth) Six is the number that is after five and before seven. In numerals, it is 6.

Most people sleep from six to nine hours a night.


seven

There are seven days in one week.


eight

ordinal eighth) The number eight is one more than seven and one less than nine.

Most people work about eight hours a day.


nine

ordinal ninth) Nine is the number that is after eight and before ten. It can be written as 9.

Children study in school about nine months a year.


eighteen

next word stressed near the first syllable

next word stressed after the first syllable

ordinal eighteenth) Eighteen is the number that is after seventeen and before nineteen. It can also be written as 18.

Eighteen chickens sat on the roof.


eleven

ordinal eleventh) Eleven is the number that is after ten and before twelve. It can also be written as 11.

Eleven trees stood on the hill.


fifteen

ordinal fifteenth) Fifteen is the number that is after fourteen and before sixteen. It can also be written as 15.

Fifteen ducks swim on the lake.


ninety-nine

ordinal ninety-ninth) Ninety-nine (99) is the odd number that comes before one hundred.

Ninety-nine apples lay on the table.


ninety

ordinal ninetieth) Ninety is an even number. In numerals, it is 90.

Ninety years ago, things were different.


nineteen

ordinal nineteenth) Nineteen is the number that is after eighteen and before twenty. It can also be written as 19.

Nineteen ducks swim on the lake.


twelve

ordinal twelfth) Twelve is the number that is after eleven and before thirteen. In numerals, it is 12.

Twelve eggs make a big omelette.


sixty

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ordinal sixtieth) Sixty is the number that is after 59 and before 61.

There are sixty seconds in a minute and sixty minutes in an hour.


sixteen

ordinal sixteenth) Sixteen is the number that is after fifteen and before seventeen. It can also be written as 16.

Sixteen persons fit in this small bus.


seventeen

ordinal seventeenth) Seventeen is the number that is after sixteen and before eighteen. It can also be written as 17.

Seventeen birds sit on the roof.


fourteen

ordinal fourteenth) Fourteen is the even number that is after thirteen and before fifteen. In numerals, it is 14.

Fourteen apples lie on the table.


twenty

I was in university when I was twenty years old.


thirty

I had my first child when I was thirty years old.


fifty

There were fifty people in my class.


forty

He was forty minutes late.


eighty

ordinal eightieth) Eighty is the number 80.

There were about eighty people at the party.


seventy

ordinal seventieth) Seventy is the number that is after 69 and before 71.

To drive seventy miles per hour is too fast in the city.


thirteen

ordinal thirteenth) Thirteen is the number that is after twelve and before fourteen. In numerals, it is 13.

Thirteen donuts makes a baker's dozen.

The thirteen are never alone.


eighty-one

ordinal eighty-first) Eighty-one (81) is the odd number that comes between eighty and eighty-two. It is a square number (9 multiplied by 9 equals 81).

I have eighty-one coins in my collection.


twenty-one

The legal age to drink is twenty-one years old in most states in the USA.


twenty-two

He is going to turn twenty-two tomorrow.


two thousand

ordinal two thousandth) Two thousand (2000) is a number that has two thousands.

The number two thousand can be written as "2000".

Just over two thousand years ago, Jesus Christ died on a crucifix.


quintillion

ordinal quintillionth) The number 1,000,000,000,000,000,000


twenty-three

He is twenty-three years old.


twenty-four

He is twenty-four years old.


twenty-five

He is twenty-five years old.


twenty-six

He is twenty-six years old.


twenty-seven

He is twenty-seven years old.


twenty-eight

He is twenty-eight years old.


twenty-nine

He is twenty-nine years old.


thirty-one

There are thirty-one tennis balls in the basket.


thirty-two

/ˌθɜːtiˈtuː/

There are thirty-two tennis balls in the basket.


thirty-three

There are thirty-three tennis balls in the basket.


thirty-four

There are thirty-four tennis balls in the basket.


thirty-five

There are thirty-five tennis balls in the basket.


thirty-six

There are thirty-six tennis balls in the basket.


thirty-seven

There are thirty-seven tennis balls in the basket.


thirty-eight

There are thirty-eight tennis balls in the basket.


thirty-nine

There are thirty-nine tennis balls in the basket.


eighty-two

There are eighty-two tennis balls in the basket.


eighty-three

There are eighty-three tennis balls in the basket.


eighty-four

There are eighty-four tennis balls in the basket.


eighty-five

There are eighty-five tennis balls in the basket.


eighty-six

There are eighty-six tennis balls in the basket.


eighty-seven

There are eighty-seven tennis balls in the basket.


eighty-eight

There are eighty-eight tennis balls in the basket.


eighty-nine

There are eighty-nine tennis balls in the basket.