Números (2)

Números ordinales

1o
1st
first
2o
2nd
second
3o
3rd
third
4o
4th
fourth
5o
5th
fifth
6o
6th
sixth
7o
7th
seventh
8o
8th
eighth
9o
9th
ninth
10o
10th
tenth
11o
11th
eleventh
12o
12th
twelfth
13o
13th
thirteenth
14o
14th
fourteenth
15o
15th
fifteenth
16o
16th
sixteenth
17o
17th
seventeenth
18o
18th
eighteenth
19o
19th
nineteenth
20o
20th
twentieth
21o
21st
twenty-first
22o
22nd
twenty-second
23o
23rd
twenty-third
24o
24th
twenty-fourth
30o
30th
thirtieth
40o
40th
fortieth
50o
50th
fiftieth
60o
60th
sixtieth
70o
70th
seventieth
80o
80th
eightieth
90o
90th
ninetieth
100o
100th
hundredth
1,000o
1,000th
thousandth
1,000,000o
1,000,000th
millionth

Los números ordinales se emplean:

– en títulos:

 

  •  Queen Elizabeth II = (Queen Elizabeth the Second)
  •  Pope John XXIII = (Pope John the Twenty-third)

 

– para referirse a siglos:

 

  •  the 19th century = (the nineteenth century)

 

– para indicar la fecha:

 

  •  April 3rd = (April the third)

 

Ver también las notas sobre La Fecha

Operaciones matemáticas

 

  •  13 + 3 = 16 = thirteen plus three is sixteen= thirteen plus three equals sixteen= thirteen and three are sixteen
  •  4 – 1 = 3 = four minus one is three
  •  3 x 2 = 6 = three times two is six= three twos are six
  •  20 ÷ 4 = 5 = twenty divided by four is five
  •  a > b = a is greater than b
  •  b < c = b is less than c

Ver más de Notas De Uso