What are the ordinal numbers within 100 10

The ordinal number of 1 100 is divided into four categories.

1. The first category.

first (1st)

second (2nd)

third (3rd)

In parentheses are abbreviated forms, all of which are formed by the last two letters of the corresponding ordinal numerals after the Arabic numerals, and the following categories are the same. There are only three ordinal words of this kind, which are special in the whole ordinal number, and like the first type of cardinal number words, they need to be memorized one by one.

2. Category II:

fourth (4th)

fifth (5th) fifth.

sixth (6th) Sixth.

seventh (7th)

eighth (8th)

ninth (9th)

tenth (10th).

eleventh (11th) Eleventh.

twelfth (12th)

thirteenth (13th).

Fourteenth (14th).

fifteenth (15th).

sixteenth (16th)

Seventeenth (17th)

eighteenth (18th).

nineteenth (19th).

There are sixteen ordinal words in this category. All of them are formed by adding the suffix th after the corresponding cardinal number words. Pay attention to the spelling of the words fifth, eighth, ninth, and twelth.

3. Category III:

Twentieth (20th).

thirtieth (30th).

Fortieth (40th) Fortieth.

fiftieth (50th).

Sixtieth (60th).

seventieth (70th).

eightieth (80th).

ninetieth (90th).

This category is an ordinal word with ten integers, a total of eight. They are composed by changing the y in the cardinal suffix ty of the corresponding ten-digit integer to i, and then adding the suffix eth.

4. Category IV:

thirty-first (31th).

sixty-second (62nd)

eighty-seventh (87th)

ninety-eighth (98th).

This kind of ordinal number for "tens of days" is as simple as cardinal words for "tens of dozens". In terms of composition method, it is changed from the cardinal word "dozens", and the ten-digit number remains unchanged, and only the cardinal word in the single digit is changed into an ordinal word.

Well, the above is very detailed!

101st one hundred and first, 102nd one hundred and second, 103th one hundred and third, 104th one hundred and fourth, 105th one hundred and fifth, 106one hundred and sixth, 107th one hundred and Seventh: 108th Hundred and Eighth, 109th Hundred and Ninth, 110th One Hundred and Tenth, 111th One Hundred and Eleventh, 112th One Hundred and Twelfth, 113th One Hundred and Thirteenth, 114th One Hundred and fourteenth, 115th hundred, fifteenth, 116th, one hundred, and sixteenth, 117th, one hundred, and seventeenth, 118one, hundred, and eighteenth, 119th, one hundred, and nineteenth, 120one hundredand twentieth: 121, one hundred and twenty-first, 122, one hundred and twenty-second, 123, one hundred and twenty-third, 124one, hundred and twenty-fourth, 125one, hundred and twenty-fifth, and so on.

1. Cardinal number words:

10-ten

20-twenty

30-thirty

40-forty

50-fifty

60-sixty

70-seventy

80-eighty

90-ninety

100-one

2. Ordinal numbers:

10-tenth

20-twentieth

30-thirtieth

40-fortieth

50-fiftieth

60-sixtieth

70-seventieth

80-eightieth

90-ninetieth

100-hundredth

Ordinal numerals can be used as subjects, objects, adjectives, and predicates in sentences.

the second is what i really need. (as the subject).

He chooses the second. (as object).

we are to carry out the first plan. (as a final statement).

She is the second in our class. (as a predicate).

The above content reference: Encyclopedia - Ordinal Numbers.