What is the cardinal word conjugation rule?

The cardinal word memorization formula is:

Cardinal words are very easy to bury, and words from 0 to 12 are different and are recorded separately.

13 to 19, don't lose it at the end of teen;

20 to 90, there is a ty after the whole ten;

It's easy;

Let's talk about dozens first, then say a few, and add the short bar "-" in the middle;

A hundred is a hundred;

Hundreds of numbers in mind;

A few hundred, it's easy;

Let's talk about a few hundred, then a few, and add it in the middle;

thousand is a thousand;

Thousands of numbers in mind.

1. From 1 to 10 one, two, three, four, five, six, seven, eight, nine, ten

2. From 11 to 19 eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen

3. From 20 to 99 integer dozens, except for twenty, thirty, forty, fifty, eighty are special forms, sixty, seventy, and ninety are all composed of the suffix -ty after the single digit form.

4. Add "hundred" to the form of the number of numbers in the number of hundreds, which means that hundreds of high calls for ants, and add and between dozens and hundreds

5. Thousands or more from the right end of the number to the left end, add a comma for every three digits", "start from the right, the first", "add thousands after the previous number, the second", "add million after the previous number, call three after the first chain", "add billion after the previous number". Then each section indicates that the largest number between the two commas is in the form of hundreds.

6. When the cardinal number word represents the exact number, it cannot use the plural form of hundreds, thousands, millions, and billions.

Cardinal word conjugation ordinal number word formula.

The base order is easy to remember, and you can add th;

One-two-three, special annihilation of the Qing record, the end letter TDD;

Eight minus t, nine minus e, f to replace ve;

If you encounter an integer ten, ty becomes tie;

If you encounter a few dozens, you can only change one bit. The method of changing cardinal words into ordinal numerals.

In the first to tenth, except for first, second, third, the rest are followed by the cardinal word. But fifth, eighth, and ninth are a bit of a variation.

Tips for memorizing: one, two, three special notes, eight to t, nine to e, f to ve.

In the eleventh to nineteenth, except for the twelfth twelfth, which is a special variation, the rest are added th. at the end of the word

The method of forming ten integers above the twentieth is to change the y in the cardinal word ending -ty to ie and add th.

Ordinal numbers such as hundreds, thousands, and millions add th at the end of the word.

When "when" becomes an ordinal number, only the single digit becomes an ordinal number.

Ordinal words are abbreviated in Arabic numerals plus the last two letters of ordinal numbers.

The representation of ordinal friend.

1) From the first and nineteenth: one first, two second, three third, five fifth, eight eighth, nine ninth, twelve twelfth are special forms, other ordinal words are made of it. Ordinal numerals plus th to form :

For example: four fourth, six sixth

2) From the twentieth ninety-ninth to the ninety-ninth integer, the ordinal form of the whole ten is composed of the letter y at the end of its cardinal word and the addition of eth.

For example: thirty thirtieth, fourty fourtieth

3) Ordinal words with more than 100 digits: change the cardinal number words at the end of it into ordinal word form.

Cardinal word change ordinal number word rule formula: one, two, three, separately remembered; Eight to t, nine by e, ve to use f instead, integer ten base to change ordinal, first change ty to tie; If you encounter a two-digit number, ten-digit cardinal single order, th and finally Sakura Kay add it. Cardinal word conjugation ordinal number word formula.

The base order is easy to remember, and you can add th;

One, two, three, special note, ending letter TDD;

Eight minus t, nine minus e, f to replace ve;

If you encounter an integer ten, ty becomes tie;

If you encounter a few dozens, you can only change one bit.

Note: 1, one, two, and three are ordinal words first, second, and third, respectively, and these three need to be memorized separately.

2. From the fourth, the cardinal word becomes an ordinal word and must add th.

3. When eight becomes an ordinal number, there is less t, and only h is added; Nine becomes an ordinal number, remove e, and add th.

4. VE ending. When the words five and twelve become ordinals, change ve to f, and then add th.

The words ending in 5 and y, that is, the words of the whole ten, should be changed from y to ie, and then th.

6. If you change the number of tens into ordinal numbers, you can only change the numbers in the single digit into ordinal numbers.